| Ingredient | Amount | % DV% Daily Value — how much of the recommended daily intake one serving provides, based on a 2,000 calorie diet. 100% = full daily need. Values over 100% are common for water-soluble vitamins (B, C) and generally safe. Values over 200% are highlighted. |
|---|---|---|
| Calories | 80 Calorie(s) | — |
| Total Carbohydrates | 4 Gram(s) | 1% |
| Vitamin A | 76 IU | 2% |
| Niacin | 100 mg | 500% |
| Sodium | 10 mg | 1% |
| CarnoSyn | 2400 mg | — |
| Arginine | 1500 mg | — |
| L-Citrulline DL-Malate | 1000 mg | — |
| Creatine HCl | 1000 mg | — |
| Agmatine Sulfate | 500 mg | — |
| CarnoSyn | 4800 mg | — |
| Arginine | 3000 mg | — |
| L-Citrulline DL-Malate | 2000 mg | — |
| Creatine HCl | 2000 mg | — |
| Agmatine Sulfate | 1000 mg | — |
| Caffeine Anhydrous | 400 mg | — |
Other ingredients: Maltodextrin, Citric Acid, Natural and Artificial flavors, Silica, Sucralose, FD&C Red No. 40, FD&C Blue No. 1
This score evaluates label quality — dosage disclosure, transparency, cleanliness of inactive ingredients, and formula composition. It does not measure clinical efficacy, bioavailability, or third-party testing. Read full methodology
Same category, higher SupplementScore. Based on dosage transparency, label cleanliness, and formula quality.
The research summaries below are about the ingredients in general, drawn from published studies that often use different doses, forms, and populations than this product. A "strong" evidence rating for an ingredient does not mean this product will produce that effect — studied doses may be significantly higher or lower than what is contained here. Always verify doses against the Supplement Facts table above.
Essential for rhodopsin production in the retina. Deficiency causes night blindness — one of the earliest recognized nutritional deficiencies.
Critical role in maintaining mucosal barriers and immune cell function.
At pharmacological doses (1500-3000mg), niacin may improve HDL cholesterol. This effect is dose-dependent and not expected at typical supplement doses.
Essential coenzyme (NAD/NADP) in hundreds of metabolic reactions.
Well-researched ingredient for strength and power output. Effects are dose-dependent (typically 3-5g/day creatine monohydrate). Other creatine forms have less evidence.
Emerging evidence for cognitive benefits under stress, sleep deprivation, or in vegetarians. Brain studies typically use 5-20g/day, higher than standard athletic dosing.
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All scores are algorithmically generated from publicly available label data (NIH Dietary Supplement Label Database) and reflect label quality — not clinical efficacy, safety, or product quality. This page is not affiliated with or endorsed by MET-Rx. If you represent this brand and believe any information is inaccurate, please contact us for a correction. Read full methodology
Alternatives are selected from the same category (B Vitamins) with a higher overall score. This is not a recommendation — always verify ingredients and dosages match your needs.