top of page

Best HGH Supplements to Boost Your Performance in 2025

  • Jul 28, 2025
  • 18 min read

HGH, or human growth hormone, has been cited as the secret to anti-aging. It can help with age-related issues like muscle and bone mass loss. But do the best HGH supplements really work, and if so, how do you find a suitable one?


Starting with CrazyBulk HGH-X2, this guide breaks down 11 of the best options you can get your hands on. This will give you enough information to decide on the best HGH supplement to incorporate into your routine.


11 Best HGH Supplements: Quick Overview


How to Choose the Best HGH Supplements


Before we break down each supplement on our list, let’s discuss the key factors to consider when making your selection.


Ingredient Quality and Transparency


Choose the best HGH supplements with natural, plant-based ingredients with a safe use history. Avoid products with unnecessary fillers, artificial colors, or preservatives.


Clinical Research Backing


It’s very easy to be swayed by marketing hype. However, we recommend looking for evidence-based claims and being skeptical of products promising miraculous results. To make things easier, opt for supplements with ingredients backed by clinical studies demonstrating their effectiveness in promoting HGH production.


Pricing and Availability


Don’t just settle for the first affordable option you see; shop around and compare prices from different brands to ensure you're getting a fair deal. You should also factor in the cost per serving and how long a bottle will last to assess the overall value. 


To get even more bang for your buck, some brands we reviewed offer subscriptions or bulk discounts that can save you money.


User Feedback


You may find reviews on the official product page, but as they are usually positive, you may consider other sources for more rounded feedback. But don’t worry, we have already done the hard work. We included balanced user reviews for each product we covered. 


Daily Dosage


If you’re busy or always on the go, you may want to choose a supplement with a straightforward dosage, such as 1 or 2 capsules daily. 


Manufacturer Reputation and Safety


Finally, it is crucial to select the best HGH supplements from well-known brands with a good track record of safety and quality. If you want to go the extra mile, look for products independently tested for purity and potency by a reputable third-party lab.


Detailed Reviews of the Best HGH Supplements


If you have decided to pursue HGH supplements to get your body back in balance, then you want to choose the correct supplements. We have done the research to make your job easier. Let’s learn more about the 9 best HGH supplements and how they can help you.


1. CrazyBulk HGH-X2 - Best HGH Supplement Overall



Pros

  • All-natural HGH supplement for both men and women

  • Rapid recovery times in between your workouts

  • Increases fat loss

  • 60-day money-back guarantee


Cons

  • Free shipping only for orders over $100


Overview

Muscle gains, fat loss, and reduced recovery time are the potential benefits that CrayBulk claims you should expect with HGH-X2. And they are not wrong. 


As our #1 option, this supplement includes a balanced amount of amino acids, plant extracts, and essential vitamins and minerals that may offer these HGH benefits when combined with a rigorous exercise routine and healthy lifestyle. 


How Much Does CrazyBulk HGH-X2 Cost?


  • 1 Month: $64.99

  • 3 Months: $129.98


How Do I Take CrazyBulk HGH-X2?

  • 4 capsules with water 20 minutes before your breakfast

  • CrazyBulk says to use for a minimum of 2 months with a suitable diet and exercise program


User Reviews


Tom raved on the main page that HGH-X2 is a game-changer, calling it the best HGH pills he’s ever tried. He credits it with helping him torch fat while boosting muscle strength and stamina for workouts [1]. Meanwhile, on Trustpilot, Keith Darling reported a nice delivery and good vendor, but felt the product was just a bunch of herbs and isn’t HGH as advertised, concluding it doesn't do anything .


2. CrazyBulk Tren-Max - Best for All-Round Conditioning



Pros

  • They offer buy 2, get 1 free deals

  • 60-day money-back guarantee

  • Helps to increase strength and power

  • No needles or prescriptions needed


Cons

  • Doesn’t contain enough vitamins


Overview

CrazyBulk Tren-Max is ideal for physical conditioning, delivering powerful effects for immense muscle growth, impressive strength, and increased power. It may also support fast healing and can function effectively as a pre-workout supplement.


How Much Does CrazyBulk Tren-Max Cost?

  • 1 Month: $64.99

  • 3 Months: $129.98


How Do I Take CrazyBulk Tren-Max?

  • Take 4 capsules with water 45 minutes before your workout.

  • CrazyBulk says to use for a minimum of 2 months on and 1.5 weeks off

     

User Reviews

On the official website, Chris praised the supplement, noting a big boost in strength and a weight gain from 11 stone 3 to 11 stone 11, attributing his results to consistent effort. Conversely, Lance C. was not impressed after a month, stating it didn't help him bulk up as he'd hoped [3].


 3. CrazyBulk Growth Hormone Stack - Best HGH Stack



Pros

  • Suitable for fast results

  • Includes some of CrazyBulk’s best supplements

  • More affordable than getting individual products

  • Maximizes muscle gains


Cons

  • Complex dosage


Overview

This stack includes 5 of CrazyBulk’s top bodybuilding supplements and is suitable for those who want rapid results. Testo-Max and HGH-X2 include natural ingredients that can support HGH and testosterone levels. Meanwhile, Clenbutrol, D-Bal, and Deca-Max are formulated to support your exercise performance and build muscle quickly. 


How Much Does CrazyBulk Growth Hormone Stack Cost?

  • 1 Month: $289.99


How Do I Take CrazyBulk Growth Hormone Stack?

  • Take each supplement as stated on the bottle

  • CrazyBulk recommends an 8-week cycle


User Reviews

CrazyBulk Growth Hormone Stack gets praise with several HGH before and after pictures on the official page. Michael is over the moon, calling it the only supplement he’s tried that delivers results. On the flip side, Jeff W. felt it made only a little difference over 4 months of training, stating he didn't get really big on it as he'd hoped [4].


4. D-Bal MAX - Best for Men of All Ages



Pros

  • Suitable for vegetarians

  • Soy- and gluten-free

  • Elevates energy and performance

  • Massive multibuy savings


Cons

  • Free shipping only on orders over $89.99


Overview

D-Bal MAX is packed with essential vitamins and minerals, crafted for men of all ages seeking incredible strength and rapid fat burning. It helps optimize muscle repair and renewal for better growth during recovery, naturally enabling you to push past any plateaus.


How Much Does D-Bal MAX Cost?

  • 1 Month: $69.99

  • 3 Months: $139.99

  • 5 Months: $209.99


How Do I Take D-Bal MAX?

  • 4 capsules 30 minutes before your workout or with breakfast on non-workout days


User Reviews

On Trustpilot, an anonymous reviewer raved about D-Bal MAX Muscle Capsules, reporting increased lean muscle, better pumps, and improved recovery [5]. However, it's advised to seek out opinions from friends and family who have tried it to get a more balanced perspective.


5. CrazyBulk Ultimate Stack - Best for Boosting Exercise Performance



Pros

  • Discount codes are available on the website from time to time

  • Enhances muscle growth, strength, and performance

  • 60-day money-back guarantee

  • You save 20%


Cons

  • Too many pills to swallow


Overview

CrazyBulk Ultimate Stack combines six powerful bodybuilding supplements to supercharge muscle growth. D-Bal, Deca-Max, Tren-Max, and Clenbutrol enhance strength, stamina, and endurance to burn fat fast. Simultaneously, Testo-Max and Anadrole boost natural HGH and testosterone, all working together for peak exercise performance.


How Much Does CrazyBulk Ultimate Stack?

  • 1 Month: $349.99


How Do I Take CrazyBulk Ultimate Stack?

  • Take each supplement as stated on the bottle

  • CrazyBulk recommends an 8-week cycle for the best results


User Reviews

On the official website, Caleb enthusiastically reported being up 18lbs in the first month, crediting his crazy results to a good diet and strict workout plan. In contrast, Ant P. simply stated that the stack is not working [6].


6. CrazyBulk Deca-Max - Best for Muscle and Strength



Pros

  • Helps reduce recovery time

  • Preserves lean muscle while reducing body fat

  • No needles or prescription needed

  • Buy-two-get-one-free deals are available


Cons

  • Free shipping only on orders over $100


Overview

Deca-Max helps your muscles hold onto more nitrogen, which in turn allows them to build more protein and grow. It also strengthens the connective tissues, helping to ease the aching and sore joints often caused by intense, repetitive workouts.


How Much Does CrazyBulk Deca-Max Cost?

  • 1 Month: $64.99

  • 3 Months: $129.98


How Do I Take CrazyBulk Deca-Max?

  • 3 capsules with water 45 minutes before your workout

  • 1 capsule before your main evening meal on non-workout days


User Reviews

On the official website, Donnie praised the product, stating it lives up to the hype, helping him gain and retain strength, muscle mass, and endurance. However, Gabe D. was unimpressed after nearly 4 weeks, reporting nothing so far despite expecting quick strength gains [7].


7. GenF20 Plus - Best Combo HGH Booster



Pros

  • Tablet and spray combo maximizes benefits

  • A wide range of amino acids for optimal muscle growth

  • Free shipping

  • You can pay in installments


Cons

  • Doesn’t include essential minerals and vitamins


Overview

GenF20 Plus is an all-natural HGH supplement that can help restore your body to peak health. This HGH supplement gives you all the tools you need to get your HGH back to healthy levels because it contains potent amino acids and nutrients.


How Much Does GenF20 Plus Cost?

  • 1 Month: $69.95

  • 3 Months: $199.95

  • 6 Months: $349.95


How Do I Take GenF20 Plus?

  • Take 2 tablets twice daily


User Reviews

On Trustpilot, Javier praised its effectiveness. He shared that over 5 years of use, he noticed improved muscle retention, reduced wrinkles, and increased energy, giving him a more youthful appearance [8]. However, Michael expressed disappointment, stating he hasn’t noticed any significant benefits even after multiple purchases [9].


8. HyperGH 14X - Best for Bodybuilders



Pros

  • Comprehensive HGH-boosting formula

  • Oral spray offers extended benefits

  • Made in an FDA-compliant and GMP-certified facility

  • 67-day money-back guarantee


Cons

  • Not vegan-friendly


Overview

HyperGH 14X uses a blend of natural amino acids and nutrients to boost HGH-induced muscle growth. It optimizes your body's natural HGH release during workouts (especially in the first 60 minutes), post-workout, and while you sleep, making it a top choice for bodybuilders.


How Much Does HyperGH 14X Cost?

HyperGH 14X currently offers 3 different packages. The more you buy, the better your price.

  • 1 Month: $69.95

  • 3 Months: $199.95

  • 6 Months: $349.95 


How Do I Take HyperGH 14X?

  • 2 capsules in the morning and 2 in the evening


User Reviews

On the Leading Edge Health’s Trustpilot page, Joe, a long-time and satisfied customer since 2018, expressed disappointment with his latest HyperGH 14X purchase because the oral spray now has to be bought separately [10]. David, another customer, found the supplement good but was frustrated when his order took a lengthy detour and ultimately got lost [11].


9. Provacyl - Best Dual Hormone Booster for Men



Pros

  • May help manage andropause or male menopause

  • Boosts HGH and testosterone

  • Free US shipping

  • Increases energy levels


Cons

  • Some ingredients may interact with medications


Overview

Provacyl is an HGH and testosterone-boosting supplement. By approaching the problems men face as they age from 2 angles (low HGH and low testosterone), it shines among the best HGH supplements for men who want to get back their prime. The supplement offers several other HGH benefits for males.


How Much Does Provacyl Cost?

  • 1 Month: $59.95

  • 3 Months: $154.95

  • 6 Months: $268.95

  • 12 Months: $388.95


How Do I Take Provacyl?

  • 4 pills a day


User Reviews

While we couldn't find balanced reviews for Provacyl elsewhere, its manufacturer's Trustpilot page shows positive feedback, such as Marqus praising their great customer service and top-notch products [12]. For a more balanced perspective, it's best to check online forums and discussions like Quora or Reddit.


10. GenFX - Best for Combating Aging Symptoms 



Pros

  • Provides a total of 12 amino acids to build protein

  • May increase lean muscle growth

  • 24/7 customer support

  • 67-day money-back guarantee


Cons

  • Unsuitable for vegans and vegetarians


Overview

GenFX is an HGH releaser designed to help you fight all the effects of aging. GenFX supplies your body with amino acids and vitamins that can revitalize and bring back your youthful energy. It also helps you gain lean and toned muscle, lose weight, and optimize brain function.


How Much Does GenFX Cost?

  • 1-Month Package: $49.95

  • 3-Month Package: $124.85

  • 6-Month Package: $199.70

  • 12-Month Package: $399.40


How Do I Take GenFX?

  • 2 capsules a day


User Reviews

On the manufacturer's Trustpilot page, Gerri enthusiastically stated that the supplement helped her feel well enough to get a part-time job after suffering for 7 years with fibromyalgia and psoriatic arthritis [13]. However, for a more balanced perspective, it's always wise to check online forums, discussions, or third-party platforms like Quora or Reddit for broader reviews.


11. SculptNation HGH Boost - Affordable HGH Booster



Pros

  • Affordable pricing when you buy in bulk

  • Promote healthy growth hormone levels

  • Gluten-free

  • Boosts lean muscle gain


Cons

  • Unsuitable if you are lactose intolerant


Overview

HGH Boost is among the best HGH supplements for women and men who aim to build lean body mass, shed fat, and enhance mental sharpness and athletic performance while saving money. Whether chasing fitness goals or just looking to level up, this formula promises a natural edge.


How Much Does SculptNation HGH Boost Cost?

  • 1 Month: $49 or $41 when you subscribe

  • 6 Months: $195 or $32.50 per bottle


How Do I Take SculptNation HGH Boost?

  • 2 capsules daily


User Reviews

On Trustpilot, Scott Reynolds faced ordering and shipping issues but praised the product itself, reporting increased energy, better sleep, and more intense workouts [14]. Conversely, Dog Father, after 4 weeks of using SculptNation supplements and HGH Boost with regular gym visits, doubted the claims, seeing no noticeable effects yet [15].


What Are HGH Supplements?


HGH supplements aim to naturally increase your body's human growth hormone (HGH) production. Unlike synthetic growth hormone injections (which require a prescription), these supplements typically contain amino acids, vitamins, and herbal extracts believed to stimulate the pituitary gland to release more HGH.


They are often marketed to promote muscle growth, body composition, anti-aging effects, and improved sleep quality. However, it's important to note that the effectiveness of even the best HGH supplements varies widely, and scientific evidence supporting their claims is often limited.


How Do They Work?

Some of these ingredients in most HGH supplements may work by increasing the availability of HGH precursors, while others may act on signaling pathways involved in HGH release.


While the exact mechanisms vary depending on the specific ingredients, the overall goal of HGH supplements is to support healthy HGH levels. The hormone can decline with age and may be associated with various health benefits, including increased muscle mass, reduced body fat, improved sleep, and enhanced recovery.


Common Ingredients

Here's a breakdown of some common ingredients found in HGH supplements with supporting studies.

  • L-Arginine: This amino acid is a precursor to nitric oxide, which plays a role in vasodilation and blood flow. Some studies suggest that L-arginine may stimulate growth hormone release, particularly when combined with exercise [16].

  • L-Glutamine: This amino acid is involved in various metabolic processes and is an essential immune system fuel source. Research indicates it may help support muscle growth and recovery, which can indirectly influence HGH levels [17].

  • Vitamin D3: Studies have linked vitamin D3 deficiency to lower growth hormone levels [18].

  • Ashwagandha: As an adaptogenic herb, ashwagandha is known for its stress-reducing properties. It can also help improve sleep quality and increase testosterone levels, indirectly supporting healthy HGH production [19].

  • Mucuna Pruriens: Some studies suggest that Mucuna pruriens may help boost growth hormone levels and improve exercise capacity [20].


Do HGH Supplements Work?


While some people may experience some HGH benefits, the scientific evidence supporting their widespread use is limited and inconclusive. Some studies suggest certain ingredients may increase HGH levels, but the increases are often mild.


Additionally, the quality and dosage of ingredients in HGH supplements vary widely, making it difficult to determine their effectiveness. It's crucial to approach HGH supplements with realistic expectations, choose reputable brands, and consult with a healthcare provider before use, especially if you have any underlying health conditions.


Benefits of HGH Supplements


Here are some potential HGH benefits to expect when you combine the best HGH supplements with lifestyle changes like adequate sleep, regular exercise, and a balanced diet.


Increased Muscle Mass

  • L-arginine can boost nitric oxide production, which enhances blood flow to muscles, delivering more nutrients and oxygen for growth. It is a common ingredient in most of the best HGH supplements for muscle growth.

  • L-glutamine aids in muscle recovery and reduces muscle breakdown after intense workouts.

  • A few research papers suggest that ashwagandha may increase testosterone levels, which is crucial for muscle building [19].

  • Zinc and magnesium support protein synthesis and muscle growth, enhancing the potential benefits of amino acids like L-arginine and L-glutamine [21].


Potential Weight Loss

  • L-arginine can help improve insulin sensitivity, aiding fat breakdown [22].

  • Ashwagandha regulates cortisol levels, influencing fat storage, particularly around the abdomen.


Improved Bone Health

  • Vitamin D3 is essential for calcium absorption, a critical factor in maintaining strong bones. Adequate vitamin D3 levels may help improve bone density and reduce the risk of osteoporosis [23].

  • L-lysine may also affect intestinal calcium absorption and bone health [24].


Increased Energy

  • L-arginine improves blood flow, enhancing oxygen and nutrient delivery to cells and boosting energy production.

  • B vitamins are crucial in energy metabolism, converting food into usable energy.

  • Adaptogenic herbs like ashwagandha may help combat fatigue and improve overall vitality.


Elevated Mood

  • Mucuna pruriens, by increasing dopamine levels, may contribute to a happier mood and reduce symptoms of depression.

  • Ashwagandha's stress-reducing effects can also positively impact mood and emotional well-being.

  • Magnesium may help regulate mood and reduce stress, indirectly supporting healthy HGH production [25].


Better Sleep

  • Ashwagandha is well-known for its stress-reducing properties, which can promote better sleep. By regulating cortisol levels and calming the nervous system, ashwagandha may help improve sleep quality and duration [19].

  • GABA (gamma-aminobutyric acid), another ingredient in the best HGH supplements, can have sleep-enhancing effects [26].


Improved Exercise Performance

  • L-arginine's role in nitric oxide production can improve blood flow to muscles, enhancing oxygen delivery and nutrient uptake during exercise. This may lead to improved endurance, muscle strength, and recovery.

  • Mucuna pruriens, with its L-dopa content, may also support exercise capacity by increasing dopamine levels, which can enhance motivation and focus.


Increased Libido

  • Some studies suggest that ashwagandha can help increase testosterone levels in men, which can lead to improved libido and sexual function [19].

  • Mucuna pruriens, through its effects on dopamine, could also enhance sexual desire and satisfaction.


Potential Cognitive Improvements

  • Ashwagandha has been studied for its potential cognitive benefits, including improved memory, attention, and information processing speed [27].

  • Some research also suggests that L-tyrosine, an amino acid sometimes included in the best HGH supplements, can enhance cognitive function, particularly under stressful conditions [28].


Potential Side Effects of HGH


While generally considered well-tolerated, HGH-boosting ingredients like amino acids, vitamins, minerals, and plant extracts can cause side effects in some individuals. But this usually happens when taken in high doses or combined with certain medications.

  • Amino Acids: Excessive intake of amino acids like L-arginine can cause gastrointestinal issues such as diarrhea, nausea, and abdominal pain. In rare cases, it may also lower blood pressure or interact with medications for heart conditions or blood sugar.

  • Vitamins and Minerals: High doses of specific vitamins and minerals can lead to adverse effects. For example, excessive vitamin D can cause calcium buildup in the body, while too much zinc can interfere with copper absorption.

  • Plant Extracts: Some plant extracts, like ashwagandha, may cause drowsiness or interact with medications for thyroid conditions or blood pressure. Mucuna pruriens, due to its L-dopa content, may cause nausea, vomiting, or low blood pressure in some individuals.


Natural Ways to Increase HGH


In addition to the natural ingredients we discussed, a few lifestyle changes may also help encourage the body’s production of HGH. Here are several natural ways to increase HGH:


Regular Exercise

Exercise, particularly high-intensity interval training (HIIT) and resistance training, is one of the most effective natural ways to boost HGH production. These types of exercise stimulate muscle growth and repair, triggering the release of HGH. 


Even moderate-intensity exercise like brisk walking or cycling can be beneficial. Aim for at least 150 minutes of moderate-intensity or 75 minutes of vigorous-intensity exercise per week, spread throughout the week.


Reducing Body Fat

Excess visceral fat (fat around the organs) can impair HGH production. Losing weight, even a tiny amount, can help increase HGH levels and improve overall health. We recommend focusing on a sustainable approach to weight loss that includes a balanced diet and regular exercise, like the one we mentioned above.


Eating a Balanced Diet Low in Sugar

To achieve this, focus on a balanced diet rich in fruits, vegetables, whole grains, lean protein, and healthy fats. You may also need to limit your intake of sugary drinks, processed snacks, and refined carbohydrates. A diet high in refined sugars and processed foods can lead to insulin resistance, negatively impacting HGH production.


Intermittent Fasting

While this may not be for everyone, some studies suggest intermittent fasting can increase HGH levels by reducing insulin and promoting fat burning. If you’re interested, popular methods include time-restricted feeding (e.g., the 16/8 method) and alternate-day fasting. However, please consult a healthcare provider before starting any intermittent fasting regimen.


Adequate Sleep

Most HGH is released during the deep stages of sleep. Aim for 6-9 hours of quality sleep each night, and remember to establish a regular sleep schedule, create a relaxing bedtime routine, and optimize your sleep environment to promote restful sleep.


FAQs on the Best HGH Supplement


Here, we answer a list of questions you may have about the best HGH supplements.


What Is the Best Human Growth Hormone Supplement?


According to our list, CrazyBulk Growth Hormone Stack includes the best HGH supplements. The supplements in the stack contain natural ingredients that can help boost HGH levels naturally, supporting anti-aging, muscle growth, and overall vitality.


What Is the Difference Between HGH Supplements and HGH Injections?


The best natural HGH supplements stimulate your body’s natural production of human growth hormone using amino acids and other nutrients, while HGH injections directly deliver synthetic HGH into the bloodstream. Supplements are low-risk, over-the-counter, and gradual, whereas injections are more potent, require a prescription, and carry higher risks of HGH side effects.


Does HGH Supplement Have Any Side Effects?


While the best HGH supplements are generally considered safe, they can have potential side effects, including joint pain, high or low blood pressure, carpal tunnel syndrome, high blood glucose levels, and increased risk of diabetes and certain cancers. It's crucial to consult with a healthcare provider before using HGH supplements to assess potential risks and benefits.


Does a 16-Hour Fast Increase HGH?


Yes, a 16-hour fast can potentially increase HGH levels. By lowering insulin growth factor, it promotes HGH release. However, the increase in HGH levels from fasting may be slight and may not significantly impact overall health. It's also important to note that the research on HGH and fasting is ongoing, and more studies are needed to confirm these findings.


What Stimulates Growth Hormone the Most?


The most effective way to stimulate growth hormone levels is through a combination of factors, such as regular exercise, quality sleep, and a healthy diet. Managing stress to keep cortisol levels low can further enhance HGH production.


Best HGH Supplements: Final Verdict


Choosing between the best HGH supplements can be daunting, considering the numerous options available on the market. We hope to make this easier by discussing the 11 best supplements today.


Each of these supplements has unique characteristics that stand above and beyond other competing supplements. CrazyBulk HGH-X2 earned the top spot on our list, but the other 10 supplements discussed would not disappoint.


Whichever you decide, we hope you are ready to begin the journey right back to your youth. You will surely feel energized, revitalized, and ready to take on anything.



References

  1. “HGH-X2.” CrazyBulk USA, https://crazybulk.com/pages/hgh-x2-v2a. Accessed 22 July 2025.

  2. “Keith Darling Gave CrazyBulk 2 Stars. Check out the Full Review.” Trustpilot, https://www.trustpilot.com/reviews/633b78b03d107cfdfcd2180e. Accessed 22 July 2025.

  3. “Tren-Max.” CrazyBulk USA, https://crazybulk.com/products/tren-max. Accessed 22 July 2025.

  4. “The CrazyBulk Growth Hormone Stack.” CrazyBulk USA, https://crazybulk.com/products/growth-hormone-stack. Accessed 22 July 2025.

  5. “D-Bal MAX 【Official & Deals ✔️✔️✔️ 】 Is Rated ‘Excellent’ with 4.3 / 5 On.” Trustpilot, https://www.trustpilot.com/review/dbalmax.topgeniunereviews.com. Accessed 22 July 2025.

  6. “CrazyBulk Ultimate Stack - Extreme Muscle Gains.” CrazyBulk USA, https://crazybulk.com/products/ultimate-stack. Accessed 22 July 2025.

  7. “Deca-Max Capsules Legal Deca Steroid Alternative.” CrazyBulk USA, https://crazybulk.com/products/deca-max. Accessed 22 July 2025.

  8. “Javier Gave GenF20 PlusTM 5 Stars. Check out the Full Review.” Trustpilot, https://www.trustpilot.com/reviews/620c117c441cb9c2473a2a28. Accessed 23 July 2025.

  9. “Michael Mueller Gave GenF20 PlusTM 3 Stars. Check out the Full Review.” Trustpilot, https://www.trustpilot.com/reviews/5d0152e3b055990650f76ec7. Accessed 23 July 2025.

  10. “Joe Gave Leading Edge Health 3 Stars. Check out the Full Review.” Trustpilot, https://www.trustpilot.com/reviews/60e37c9af9f48707503a00cc. Accessed 23 July 2025.

  11. “David Gave Leading Edge Health 2 Stars. Check out the Full Review.” Trustpilot, https://www.trustpilot.com/reviews/60bb9f27f9f4870b70184625. Accessed 23 July 2025.

  12. “Marqus Gave Leading Edge Health 5 Stars. Check out the Full Review.” Trustpilot, https://www.trustpilot.com/reviews/67411b515d930595e03b0326. Accessed 23 July 2025.

  13. “Gerri Gave Leading Edge Health 5 Stars. Check out the Full Review.” Trustpilot, https://www.trustpilot.com/reviews/5f24652f1a5a690a041cd365. Accessed 23 July 2025.

  14. “Scott Reynolds Gave Sculptnation 4 Stars. Check out the Full Review.” Trustpilot, https://www.trustpilot.com/reviews/6819622fff3c22bf43161ddd. Accessed 23 July 2025.

  15. “Dog Father Gave Sculptnation 3 Stars. Check out the Full Review.” Trustpilot, https://www.trustpilot.com/reviews/680d60d0385ff9de8cb49ed1. Accessed 23 July 2025.

  16. Kanaley, Jill A. “Growth Hormone, Arginine and Exercise.” Current Opinion in Clinical Nutrition and Metabolic Care, vol. 11, no. 1, 2008, pp. 50–54, doi:10.1097/MCO.0b013e3282f2b0ad.

  17. Tam, Charmaine S., et al. “Increased Human Growth Hormone after Oral Consumption of an Amino Acid Supplement: Results of a Randomized, Placebo-Controlled, Double-Blind, Crossover Study in Healthy Subjects.” American Journal of Therapeutics, vol. 27, no. 4, 2020, pp. e333-e337, doi:10.1097/MJT.0000000000000893.

  18. Ameri, Pietro, et al. “Vitamin D Increases Circulating IGF1 in Adults: Potential Implications for the Treatment of GH Deficiency.” European Journal of Endocrinology, vol. 169, no. 6, 2013, pp. 767–772, doi:10.1530/EJE-13-0510.

  19. “Ashwagandha: Is It Helpful for Stress, Anxiety, or Sleep?” Nih.Gov, https://ods.od.nih.gov/factsheets/Ashwagandha-HealthProfessional/. Accessed 2 Dec. 2024.

  20. Chihara, K., et al. “L-Dopa Stimulates Release of Hypothalamic Growth Hormone-Releasing Hormone in Humans.” The Journal of Clinical Endocrinology and Metabolism, vol. 62, no. 3, 1986, pp. 466–473, doi:10.1210/jcem-62-3-466.

  21. Dørup, I., and T. Clausen. “Effects of Magnesium and Zinc Deficiencies on Growth and Protein Synthesis in Skeletal Muscle and the Heart.” The British Journal of Nutrition, vol. 66, no. 3, 1991, pp. 493–504, doi:10.1079/bjn19910050.

  22. Miczke, Anna, et al. “Effect of L-Arginine Supplementation on Insulin Resistance and Serum Adiponectin Concentration in Rats with Fat Diet.” International Journal of Clinical and Experimental Medicine, vol. 8, no. 7, 2015, pp. 10358–10366, https://pmc.ncbi.nlm.nih.gov/articles/PMC4565209/.

  23. Christakos, Sylvia, et al. “Vitamin D and Intestinal Calcium Absorption.” Molecular and Cellular Endocrinology, vol.. 347, no. 1–2, 2011, pp. 25–29, doi:10.1016/j.mce.2011.05.038.

  24. Civitelli, R., et al. “Dietary L-Lysine and Calcium Metabolism in Humans.” Nutrition (Burbank, Los Angeles County, Calif.), vol. 8, no. 6, 1992, pp. 400–405, https://pubmed.ncbi.nlm.nih.gov/1486246/.

  25. Cuciureanu, Magdalena D., and Robert Vink. “Magnesium and Stress.” Magnesium in the Central Nervous System, University of Adelaide Press, 2011.

  26. Hepsomali, Piril, et al. “Effects of Oral Gamma-Aminobutyric Acid (GABA) Administration on Stress and Sleep in Humans: A Systematic Review.” Frontiers in Neuroscience, vol. 14, 2020, p. 923, doi:10.3389/fnins.2020.00923.

  27. Xing, Dante, et al. “Effects of Acute Ashwagandha Ingestion on Cognitive Function.” International Journal of Environmental Research and Public Health, vol. 19, no. 19, 2022, p. 11852, doi:10.3390/ijerph191911852.

  28. Bloemendaal, Mirjam, et al. “Neuro-Cognitive Effects of Acute Tyrosine Administration on Reactive and Proactive Response Inhibition in Healthy Older Adults.” ENeuro, vol. 5, no. 2, 2018, p. ENEURO.0035-17.2018, doi:10.1523/ENEURO.0035-17.2018.


By ML staff. Images courtesy of Paradise Digital Media.

 
 
bottom of page