🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • Limited research evidence available for ingredients
B Label Compliance Grade

Product Label

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Label Data

2 Teaspoon(s) Serving Size
21 Servings
Other Combinations Product Type
0% Evidence Coverage

Supplement Facts — Evidence Check

Mucuna pruriens extract
250 mg
250 mg
📊 Market median: 500.0mg (70 products)
Median 500.0mg This product: 250mg
Somatopro A(TM) Complex

Other Ingredients

L-Ornithine Hydrochloride L-Arginine Alpha-Ketoglutarate L-Lysine Hydrochloride L-Glycine L-Glutamine Citric Acid natural Grape flavor Aspartame Red #40 FD&C Blue #1

Label Claims — Verification

All Other
Structure/Function
All Other (100% of products) Structure/Function (90% of products) Nutrient (61% of products)

Target Groups

Adult (18 - 50 Years)

Product Information

⚠️ Warnings & Precautions

Made in a GMP facility on equipment that processes milk, soy, egg, peanuts, tree nuts, fish, shellfish, and wheat.

WARNING: This product is not for use by anyone under the age of 18.

Do not take this if you have or are at risk for any medical condition or disease.

Please consult with a physician before using this product, especially if you are using any prescription drug, over-the-counter medication, or supplements.

Immediately discontinue use if any side effects occur. California Residents Proposition 65 Warning: This product contains a substance known to the State of California to cause birth defects or other reproductive harm.

Keep out of reach of children.

INGREDIENT NOTES: Phenylketonurics: contains phenylalanine.

🧪 Formulation Notes

INGREDIENT NOTES: Phenylketonurics: contains phenylalanine.

Additional Information

Athlete's should consult with their sanctioning authority before use. Do not exceed recommended dose.

Plant #3001104580

MADE PROUDLY IN THE U.S.A.

732-545-3130

WHO WE ARE Universal Nutrition has been providing cutting edge and staple nutritional supplements to bodybuilders and hard training athletes the world over since 1977. As time passes, certain ideals never go out of style. Honesty. Integrity. Respect. These are the values we uphold and are the bedrock upon which we built our business. WHAT IT IS GH Stack provides natural GH support by helping to signal your pituitary gland to release more GH through a unique, "dual action" sub-lingual/oral delivery system which ensures that GH output is maximized. As a sub-lingual, rapid assimilation of GH Stack is ensured. As an oral supplement, GH Stack continues to work in a "time released" fashion to guarantee steady output of GH. It is powerful as it has been specifically formulated for the needs of the elite athlete. HOW WE BACK IT UP What is on the label is on the bottle and what is in the bottle will help you reach your goals. We believe it and proudly stand behind every product we manufacture. Our word is our bond.

The First Sub-Lingual Anabolic GH Formula

Dual Action Secretagogues

Scientifically-Proven Ratios

K1313-G-32489

Product Details

UPC / SKU 0 39442 05190 5
DSLD Entry Date 2014-10-10
Product Type Other Combinations
Form Powder
Brand Universal
DSLD ID 37744
Data Updated 2026-04-11

Research Evidence

29 Research Sources
48 Avg Quality Score
19 Rct
5 Meta Analysis
3 Systematic Review
2 Clinical Trial
B Prebiotic and probiotic supplementation and the tryptophan-kynurenine pathway: A systematic review and meta analysis
Meta Analysis Neuroscience and biobehavioral reviews 2021
B Tryptophan and 5-hydroxytryptophan for depression
Systematic Review The Cochrane database of systematic reviews 2001
B Tryptophan and 5-hydroxytryptophan for depression
Systematic Review The Cochrane database of systematic reviews 2002
B The impact of tryptophan supplementation on sleep quality: a systematic review, meta-analysis, and meta-regression
Meta Analysis Nutrition reviews 2022
B No effects of acute tryptophan depletion on anxiety or mood in weight-recovered female patients with anorexia nervosa
Rct European archives of psychiatry and clinical neuroscience 2023
C The association between tryptophan levels and postpartum mood disorders: a systematic review and meta-analysis
Meta Analysis BMC psychiatry 2022
C A systematic review of the effect of L-tryptophan supplementation on mood and emotional functioning
Systematic Review Journal of dietary supplements 2021
C Comparison between Acupuncture and Nutraceutical Treatment with Migratens® in Patients with Fibromyalgia Syndrome: A Prospective Randomized Clinical Trial.
Rct Nutrients
C Intake of Lactiplantibacillus plantarum HEAL9 Improves Cognition in Moderately Stressed Subjects: A Randomized Controlled Study.
Rct Nutrients
C Are tryptophan and 5-hydroxytryptophan effective treatments for depression? A meta-analysis
Meta Analysis The Australian and New Zealand journal of psychiatry 2002
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