PlainVitamins

Ultimate Hair Strength

by Joyce Giraud · capsule · 60 capsules

  • On the market (NIH)
  • UPC 0 711237 970423
  • DSLD label 271681
  • Serving 2 capsules
  • 30 servings

Ultimate Hair Strength by Joyce Giraud lists 11 ingredients, 5 with an amount per serving of 2 capsules, such as 100 mg of vitamin C, 1,000 IU (25 mcg) of vitamin D3, 25 mg of pantothenic acid and 10,000 mcg of biotin; 6 sit inside a blend without their own amounts. Its current label entered the NIH Dietary Supplement Label Database on April 21, 2023.

What is in Ultimate Hair Strength?

Each row as the label prints it, per serving of 2 capsules. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).

Ultimate Hair Strength: Supplement Facts rows against the market (DSLD label 271681, January 2026 release)
IngredientAmount% DVAmong products listing it
Total Calories5 Calories
Vitamin Cas Ascorbic Acid100 mg167%Vitamin C in Ultimate Hair Strength against 18,583 products100 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg100 mg

50% of 18,583 products listing vitamin C give more (median 100 mg).

Vitamin D3as Cholecalciferol1,000 IU (25 mcg)250%Vitamin D in Ultimate Hair Strength against 14,175 products25 mcg per serving; the middle half of products list 10 mcg to 25 mcg, the median 15 mcg.DV 20 mcgUL 100 mcg25 mcg

Higher than 59% of 14,175 products listing vitamin D (median 15 mcg).

Pantothenic Acidas D-Calcium Pantothenate25 mg250%Pantothenic Acid (Vitamin B5) in Ultimate Hair Strength against 10,060 products25 mg per serving; the middle half of products list 6 mg to 50 mg, the median 12 mg.DV 5 mg25 mg

Higher than 61% of 10,060 products listing pantothenic acid (vitamin B5) (median 12 mg).

Biotin10,000 mcg3,333%Biotin in Ultimate Hair Strength against 9,447 products10,000 mcg per serving; the middle half of products list 50 mcg to 300 mcg, the median 200 mcg.DV 30 mcg10,000 mcg

Higher than 97% of 9,447 products listing biotin (median 200 mcg).

Cynatine HNS500 mgKeratin in Ultimate Hair Strength against 102 products500 mg per serving; the middle half of products list 77.5 mg to 500 mg, the median 500 mg.500 mg

0% of 102 products listing keratin give more (median 500 mg).

Proprietary Blend216 mg
Verisol Collagenin the blend, no amount given
Trans-Resveratrolin the blend, no amount given
Glutathionein the blend, no amount given
Buriti Fruit Oilin the blend, no amount given
Maracuja Oilin the blend, no amount given
Moringa Oilin the blend, no amount given
Argan Oilin the blend, no amount given

Source: NIH ODS Dietary Supplement Label Database, label 271681 (entered April 21, 2023), version 9.4.0. See the label on DSLD or its label image (PDF). Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.

Is that a lot?

The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:

  • Its 10,000 mcg of biotin is higher than 97% of the 9,447 biotin products that print an amount; 62 list more.

The NIH database records one serving a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.

The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.

Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.

Which products have the closest formulas?

The products whose ingredient lists overlap most with Ultimate Hair Strength's, rare ingredients counting for more.

Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.

What does the label say about taking it?

Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.

Directions
Suggested Use: Take two (2) capsules daily.
Warnings
Warning: Keep out of reach of children
If you are pregnant, nursing, or have a medical condition, consult your physician before use.
Allergens and what it does not contain
Does not contain: soy, wheat, lactose, starch, yeast, GMO's or artificial flavors. Gluten Free
Non GMO & Gluten Free

Source: label statements in DSLD label 271681.

What else is on the label?

Other ingredients: Magnesium Stearate, Gelatin.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): GMP Certified.

How many labels does Ultimate Hair Strength have?

One label is on file, entered on April 21, 2023.

  1. Label 271681 (current) Entered April 21, 2023 · on the market · 60 capsules · UPC 0 711237 970423

Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).

Who makes it?

The label names Investsrong, LLC (manufacturer), Camden, DE. All Joyce Giraud products.

Where next?