630 mcgVitamin A
As retinyl acetate · 70% DV
Helps skin cells grow and renew, and keeps the skin barrier working. Retinyl acetate is a preformed type, the same family as retinol.
Adult RDA is 700 mcg RAE for women and 900 mcg for men. The upper limit for preformed vitamin A is 3,000 mcg a day. Source: NIH Office of Dietary Supplements, “Vitamin A and Carotenoids: Fact Sheet for Health Professionals”.
20 mgVitamin C
As ascorbic acid · 22% DV
Your body needs vitamin C to build collagen, the protein that gives skin its structure. It is also an antioxidant.
Adult RDA is 75 mg for women and 90 mg for men. The upper limit is 2,000 mg. The 20 mg here is a modest top-up. Source: NIH Office of Dietary Supplements, “Vitamin C: Fact Sheet for Health Professionals”.
10 mcgVitamin D
As cholecalciferol · 50% DV
Best known for bones and calcium. Most US adults get less than the goal from food alone, per the NIH.
Adult RDA is 15 mcg (600 IU) up to age 70 and 20 mcg after. The upper limit is 100 mcg. Source: NIH Office of Dietary Supplements, “Vitamin D: Fact Sheet for Health Professionals”.
7.4 mgVitamin E
As d-alpha tocopheryl acetate · 49% DV
A fat-soluble antioxidant found in skin oils. D-alpha tocopheryl acetate is the natural-source form.
The Daily Value is 15 mg. The 7.4 mg here is about half. Source: U.S. Food and Drug Administration, “Daily Value on the Nutrition and Supplement Facts Labels”.
2 mgVitamin B6
As pyridoxine hcl · 118% DV
Helps the body use protein, which matters because hair and nails are made of protein (keratin).
The Daily Value is 1.7 mg. The 2 mg here is 118%. Source: U.S. Food and Drug Administration, “Daily Value on the Nutrition and Supplement Facts Labels”.
442 mcg DFEFolate
Form not stated · 111% DV
Needed to make new cells. Low folate can change skin, hair or nail color, but extra folate has not been shown to improve them.
Adult RDA is 400 mcg DFE. The upper limit for folic acid is 1,000 mcg. The 442 mcg DFE here is about one Daily Value. Source: NIH Office of Dietary Supplements, “Folate: Fact Sheet for Health Professionals”.
6 mcgVitamin B12
As methylcobalamin · 250% DV
Helps make red blood cells and DNA. Methylcobalamin is one of the two active forms the body uses.
Adult RDA is 2.4 mcg. The NIH finds no proof one supplement form absorbs better than another at normal doses. Source: NIH Office of Dietary Supplements, “Vitamin B12: Fact Sheet for Health Professionals”.
5,000 mcgBiotin
Form not stated · 16,667% DV
Helps enzymes turn food into energy and building blocks. It is the best-known nutrient for hair and nails.
The Adequate Intake is 30 mcg. No upper limit is set. The NIH says proof for hair, skin and nail benefits in people who are not low is limited. Source: NIH Office of Dietary Supplements, “Biotin: Fact Sheet for Health Professionals”.
5.2 mgPantothenic acid
Form not stated · 104% DV
Vitamin B5. Helps the body make and break down fats. Found in almost every food.
The Daily Value is 5 mg. The 5.2 mg here is 104%. Source: U.S. Food and Drug Administration, “Daily Value on the Nutrition and Supplement Facts Labels”.
0.04 mgCholine
Form not stated · <1% DV
Used to build cell membranes. At 0.04 mg it is a trace amount.
The Daily Value is 550 mg, so this amount rounds to less than 1%. Source: U.S. Food and Drug Administration, “Daily Value on the Nutrition and Supplement Facts Labels”.
42 mcgIodine
Form not stated · 28% DV
Used to make thyroid hormones. Iodized salt and dairy are the main US sources.
The Daily Value is 150 mcg. The 42 mcg here is 28%. Source: U.S. Food and Drug Administration, “Daily Value on the Nutrition and Supplement Facts Labels”.
2.7 mgZinc
Form not stated · 25% DV
Used in wound healing and by hundreds of enzymes. Low zinc can slow skin repair.
Adult RDA is 8 mg for women and 11 mg for men. The upper limit is 40 mg. The 2.7 mg here is low. Source: NIH Office of Dietary Supplements, “Zinc: Fact Sheet for Health Professionals”.
40 mcgInositol
Form not stated · No Daily Value
A sugar-like compound the body makes on its own. It has no Daily Value.
At 40 mcg this is a very small amount. There is no set daily goal.