MET-Rx · Amino acid/Protein supplement
RTD 51 Peanut Butter Cup
49 ingredients on file in the NIH Dietary Supplement Label Database. Currently on-market in the U.S.
- 49
- Ingredients
- 11
- Nutrient categories
- Top 2%
- By ingredient count
RTD 51 Peanut Butter Cup is a amino acid/protein supplement by MET-Rx in liquid form, listing 49 ingredients in the NIH Dietary Supplement Label Database (DSLD), maintained by the Office of Dietary Supplements at the National Institutes of Health. Currently listed as on-market. Daily Value percentages shown below are based on FDA reference daily intake amounts for adults.
Product Details
- Type
- 🧬 Amino acid/Protein
- Form
- Liquid
- Database Entry Date
- 2018-10-25
- Ingredients
- 49
Supplement Facts (49 Ingredients)
| Ingredient | Group | Amount | % DV |
|---|---|---|---|
| Calories | Calories | Not disclosed on label | No DV |
| Calories from Fat | Calories | Not disclosed on label | No DV |
| Total Fat | Fat (unspecified) | Not disclosed on label | No DV |
| Saturated Fat | Saturated fat | Not disclosed on label | No DV |
| Trans Fat | Trans fat (unspecified) | Not disclosed on label | No DV |
| Cholesterol | Cholesterol | Not disclosed on label | No DV |
| Sodium | Sodium | Not disclosed on label | No DV |
| Potassium | Potassium | Not disclosed on label | No DV |
| Total Carbohydrates | Carbohydrate | Not disclosed on label | No DV |
| Dietary Fiber | Fiber (unspecified) | Not disclosed on label | No DV |
| Sugar | Sugar | Not disclosed on label | No DV |
| Protein | Protein (unspecified) | Not disclosed on label | No DV |
| Vitamin A | Vitamin A | Not disclosed on label | No DV |
| Vitamin C | Vitamin C | Not disclosed on label | No DV |
| Calcium | Calcium | Not disclosed on label | No DV |
| Iron | Iron | Not disclosed on label | No DV |
| Vitamin D | Vitamin D | Not disclosed on label | No DV |
| Vitamin E | Vitamin E | Not disclosed on label | No DV |
| Vitamin K | Vitamin K | Not disclosed on label | No DV |
| Thiamine | Thiamin | Not disclosed on label | No DV |
| Riboflavin | Riboflavin | Not disclosed on label | No DV |
| Niacin | Niacin | Not disclosed on label | No DV |
| Vitamin B6 | Vitamin B6 | Not disclosed on label | No DV |
| Folic Acid | Folate | Not disclosed on label | No DV |
| Vitamin B12 | Vitamin B12 | Not disclosed on label | No DV |
| Biotin | Biotin | Not disclosed on label | No DV |
| Pantothenic Acid | Vitamin B5 | Not disclosed on label | No DV |
| Phosphorus | Phosphorus | Not disclosed on label | No DV |
| Iodine | Iodine | Not disclosed on label | No DV |
| Magnesium | Magnesium | Not disclosed on label | No DV |
| Zinc | Zinc | Not disclosed on label | No DV |
| Selenium | Selenium | Not disclosed on label | No DV |
| Copper | Copper | Not disclosed on label | No DV |
| Manganese | Manganese | Not disclosed on label | No DV |
| Chromium | Chromium | Not disclosed on label | No DV |
| Molybdenum | Molybdenum | Not disclosed on label | No DV |
| Water | Water | Not disclosed on label | No DV |
| Metamyosyn VPR Protein Blend | Proprietary Blend (Amino Acid/Protein) | Not disclosed on label | No DV |
| Natural and Artificial flavors | Flavor | Not disclosed on label | No DV |
| Peanut Butter | peanut butter | Not disclosed on label | No DV |
| Cocoa | cocoa | Not disclosed on label | No DV |
| Cellulose Gel | Cellulose Gel | Not disclosed on label | No DV |
| Vitamin and Mineral Blend | Blend (Combination) | Not disclosed on label | No DV |
| Sucralose | Sucralose | Not disclosed on label | No DV |
| Dipotassium Phosphate | Potassium | Not disclosed on label | No DV |
| Cellulose Gum | Cellulose | Not disclosed on label | No DV |
| Acesulfame Potassium | Acesulfame potassium | Not disclosed on label | No DV |
| Sodium Hydroxide | Sodium Hydroxide | Not disclosed on label | No DV |
| Carrageenan | Carrageenan | Not disclosed on label | No DV |
How does RTD 51 Peanut Butter Cup compare?
Ingredients listed on each label, against the amino acid/protein category average of 12.7. Data from the NIH DSLD.
RTD 51 Peanut Butter Cup lists 29 ingredients more than 1 Up Whey Chocolate & Peanut Butter Blast. That is 36 above the amino acid/protein average.
What the Label Data Shows
RTD 51 Peanut Butter Cup is cataloged in the NIH Dietary Supplement Label Database (DSLD) as a amino acid/protein supplement from MET-Rx, sold in liquid form. The label declares 49 ingredients. These ingredients span 11 nutrient categories, mineral, vitamin, other, fat, and 7 more, reflecting a multi-component formula rather than a single-nutrient product.
Daily Value coverage on this label is informative. No ingredients on this label reach 100% of the FDA reference Daily Value, 0 fall below 100% DV, and 49 have no FDA-established Daily Value reference.. Some nutrients (such as botanicals, amino acids, and specialty compounds) have no Daily Value because the FDA has not set a reference intake; absence of a DV is neither good nor bad on its own.
Market status matters for supplement research. This product is currently listed as on-market in the DSLD, with its label first entered into the database on 2018-10-25. On-market products are currently being distributed in the United States, though the DSLD does not verify the accuracy of label claims or evaluate safety or efficacy. The DSLD is a label database, not an FDA approval list, under the 1994 DSHEA framework, dietary supplements do not require pre-market approval, and label information reflects what manufacturers self-declare rather than independent laboratory verification. This page presents factual label data for reference only and is not medical advice; consult a licensed healthcare provider before making decisions about any supplement.
Source: NIH Office of Dietary Supplements, Dietary Supplement Label Database (DSLD) Supplement label data for RTD 51 Peanut Butter Cup: ingredients, % Daily Value, market status, brand · 2026 DSLD captures manufacturer-self-declared label information; the NIH does not verify accuracy or evaluate safety/efficacy. Dietary supplements are regulated under DSHEA 1994, no pre-market FDA approval is required.
Nearby Amino acid/Protein Products
Other products in the NIH DSLD cataloged under the same supplement type. Useful for comparing formulations within the amino acid/protein category.
Compare RTD 51 Peanut Butter Cup vs 1 Up Whey Chocolate & Peanut Butter Blast →
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Frequently Asked Questions
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Data Sources & Methodology
Data as of 2025. Source: NIH Office of Dietary Supplements, Dietary Supplement Label Database (DSLD).
Supplement label data sourced from the Source: NIH Dietary Supplement Label Database (DSLD), maintained by the Office of Dietary Supplements at the National Institutes of Health. The DSLD contains label information from dietary supplement products marketed in the United States.
Daily Value (DV) percentages are based on Source: FDA 21 CFR 101.9 Reference Daily Intake (RDI) values for adults. Products marked "Off Market" may no longer be available for purchase but their label data remains in the database for reference.
Disclaimer, Not Medical Advice: Label data from the Source: NIH Dietary Supplement Label Database (DSLD). This information is for educational and reference purposes only and does not constitute medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before starting, stopping, or combining any dietary supplement, especially if you are pregnant, nursing, take prescription medication, or have a medical condition.
Read our methodology , how this data is sourced, computed, and verified.