21st Century · Other Combinations supplement
Maximum Strength Daily Amino Acid
16 ingredients on file in the NIH Dietary Supplement Label Database. Off-market, label data preserved for reference.
- 16
- Ingredients
- 7
- Nutrient categories
- Top 23%
- By ingredient count
Maximum Strength Daily Amino Acid is a other combinations supplement by 21st Century in tablet or pill form, listing 16 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 off-market (no longer available for purchase, but label data is preserved). Daily Value percentages shown below are based on FDA reference daily intake amounts for adults.
Product Details
- Type
- 🔬 Other Combinations
- Form
- Tablet or Pill
- Database Entry Date
- 2012-07-25
- Ingredients
- 16
Supplement Facts (16 Ingredients)
| Ingredient | Group | Amount | % DV |
|---|---|---|---|
| Calcium | Calcium | Not disclosed on label | No DV |
| L-Histidine | Histidine | Not disclosed on label | No DV |
| L-Isoleucine | Isoleucine | Not disclosed on label | No DV |
| L-Leucine | Leucine | Not disclosed on label | No DV |
| L-Lysine | Lysine | Not disclosed on label | No DV |
| DL-Methionine | DL-Methionine | Not disclosed on label | No DV |
| Alpha-Glucan Oligosaccharide | Alpha Glucans | Not disclosed on label | No DV |
| L-Phenylalanine | Phenylalanine | Not disclosed on label | No DV |
| L-Tyrosine | Tyrosine | Not disclosed on label | No DV |
| L-Threonine | THREONINE | Not disclosed on label | No DV |
| L-Valine | Valine | Not disclosed on label | No DV |
| Whey | Whey | Not disclosed on label | No DV |
| Cellulose | Cellulose | Not disclosed on label | No DV |
| Croscarmellose Sodium | Croscarmellose Sodium | Not disclosed on label | No DV |
| Stearic Acid | Stearic Acid | Not disclosed on label | No DV |
| Silicon Dioxide | Silicon | Not disclosed on label | No DV |
How does Maximum Strength Daily Amino Acid compare?
Ingredients listed on each label, against the other combinations category average of 21.8. Data from the NIH DSLD.
Maximum Strength Daily Amino Acid lists 18 ingredients fewer than 1,000 mg Vitamin C Acai Berry. That is 6 below the other combinations average.
What the Label Data Shows
Maximum Strength Daily Amino Acid is cataloged in the NIH Dietary Supplement Label Database (DSLD) as a other combinations supplement from 21st Century, sold in tablet or pill form. The label declares 16 ingredients. These ingredients span 7 nutrient categories, amino acid, mineral, complex carbohydrate, protein, and 3 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 16 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 off-market in the DSLD, with its label first entered into the database on 2012-07-25. Off-market products are no longer being produced or distributed under this label, but the DSLD preserves their historical label data for researchers, consumers checking older bottles, and for tracking how formulations have evolved. 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 Maximum Strength Daily Amino Acid: 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 Other Combinations Products
Other products in the NIH DSLD cataloged under the same supplement type. Useful for comparing formulations within the other combinations category.
Compare Maximum Strength Daily Amino Acid vs 1,000 mg Vitamin C Acai Berry →
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Daily Value Coverage
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Frequently Asked Questions
What ingredients are in Maximum Strength Daily Amino Acid? ▼
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Is Maximum Strength Daily Amino Acid still available for purchase? ▼
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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.