Longer, Stronger Hair and Nails is a botanical with nutrients supplement by Irwin Naturals in softgel capsule form, listing 31 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.
Ingredients listed on each label, against the botanical with nutrients category average of 16. Data from the NIH DSLD.
Longer, Stronger Hair and Nails31
1 Liver & Organ Quick Detox24
Botanical with Nutrients average16
Longer, Stronger Hair and Nails lists 7 ingredients more than 1 Liver & Organ Quick Detox. That is 15 above the botanical with nutrients average.
What the Label Data Shows
According to NIH DSLD label rows, Longer, Stronger Hair and Nails sits in the top 6% of products with a countable formula by declared ingredient count.
With 31 ingredients on the label, Longer, Stronger Hair and Nails is one of the more extensive botanical with nutrients supplement formulas from Irwin Naturals in the NIH Dietary Supplement Label Database (DSLD), sold in softgel capsule form. These ingredients span 12 nutrient categories, botanical, other, mineral, fat, and 8 more, reflecting a multi-component formula rather than a single-nutrient product.
Across a broader 31-ingredient formula, 31 of 31 lack a percentage Daily Value in the available source record, leaving their regulatory reference status unspecified on this page.
A product's market status is worth checking before relying on this label. This product is currently listed as on-market in the DSLD, with its label first entered into the database on 2023-07-18. 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.
About the DSLD database
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 Longer, Stronger Hair and Nails: 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.
Nationwide supplements with similar label profiles
Two DSLD-derived peer sets for Longer, Stronger Hair and Nails, both outside the Irwin Naturals brand so the neighborhoods are not catalog containment (the same-type Nearby block above stays type-local).
Similar ingredient count
Nearest cross-brand formulas by declared ingredient count (31 here).
Gotu Kola herb extract, Horsetail Herb Extract, Citrus Fruit Extract, +3 more
other
5
Calories, Water, Purified, Glycerin, +2 more
mineral
5
Calcium, Zinc, Copper, +2 more
fat
3
Total Fat, Flaxseed Oil, Soy Lecithin
protein
2
Protein, Gelatin
vitamin
2
Vitamin C, Biotin
non-nutrient/non-botanical
2
Triterpenes, Bioflavonoids
amino acid
2
Lysine, Proline
blend
1
BioPerine Complex
animal part or source
1
Beeswax
sugar
1
Dextrin
complex carbohydrate
1
Maltodextrin
Daily Value Coverage
0
Above 100% DV
0
Below 100% DV
31
%DV not reported in source
Frequently Asked Questions
What ingredients are in Longer, Stronger Hair and Nails? ▼
Longer, Stronger Hair and Nails contains 31 ingredients. By declared ingredient count it sits in the top 6% of DSLD products PlainVitamins places. Ingredients span 12 categories: botanical, other, mineral, fat, protein, vitamin, non-nutrient/non-botanical, amino acid, blend, animal part or source, sugar, complex carbohydrate.
Who manufactures Longer, Stronger Hair and Nails? ▼
Longer, Stronger Hair and Nails is currently manufactured by Irwin Naturals. It is classified as a Botanical with Nutrients supplement in softgel capsule form.
Is Longer, Stronger Hair and Nails still available for purchase? ▼
Yes, Longer, Stronger Hair and Nails is currently listed as on-market in the NIH DSLD database.
What is the serving size of Longer, Stronger Hair and Nails? ▼
The serving size is not specified.
What type of supplement is Longer, Stronger Hair and Nails? ▼
Longer, Stronger Hair and Nails is classified as a "Botanical with Nutrients" supplement in the NIH database. This category includes products primarily composed of botanical with nutrients ingredients. DSLD sorts every supplement into one of 9 categories overall: Vitamin, Mineral, Botanical, Amino Acid & Protein, Non-Nutrient, Fat & Fatty Acid, Multi-Vitamin & Mineral, Botanical with Nutrients, or Other Combinations.
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.