If your goal is healthier skin, nails, and hair, this formula takes a nutrient-support approach rather than providing the high-dose specialist ingredients (like collagen or hyaluronic acid) that clinical research most strongly supports for those goals. What this means for you: the strongest contributor is **Zinc** at 15mg in bisglycinate form — a well-absorbed form right at the minimum clinical dose, relevant for skin and immune health.

**Vitamin C** at 200mg sits within the supplemental range and supports collagen synthesis in your body. **Nettle** at 500mg is within its studied range for general nutritive support. **Vitamin B6** uses the active P5P form at 4mg, and **Vitamin E** at 20mg as natural d-alpha-tocopherol is a premium form at a meaningful dose. **Biotin** at 300mcg is well below the 1,000–5,000mcg range typically used in hair and nail supplements.

The main limitation for your skin and hair goals is the absence of collagen, hyaluronic acid, or astaxanthin — the ingredients with the most direct clinical evidence for visible skin and hair results. This product delivers solid micronutrient support, but it's not a specialist formula.

BioStacks
MegaFood

Skin, Nails & Hair 2

2 Tablets · 30 servings

iHerbAmazon
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What it does

A combination of 9 label ingredients.

Vitamin A

beta-caroteneBudget

Supports normal vision, immune function and the maintenance of healthy tissues.

Vitamin C

ascorbic acidBudget

Supports normal collagen production and immune function, and helps the body absorb iron from plant foods.

ImmuneHormones
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Ingredients (9)

Other ingredients

Rice FlourFiller

Rice-based ingredients carry risk of inorganic arsenic contamination (FDA and Consumer Reports). Rice accumulates arsenic from soil at higher rates than other grains. Used as a cheap filler — adds nothing beneficial.

Rice ProteinFiller

Rice-based ingredients carry risk of inorganic arsenic contamination (FDA and Consumer Reports have documented elevated arsenic in rice products). Used as a cheap filler. Incomplete amino acid profile adds no meaningful protein benefit at excipient doses.

Autolyzed YeastFlavor

Yeast that has been broken down to release naturally occurring amino acids and flavor compounds

Silicon DioxideAnti-caking

Fine silica powder used to prevent clumping

Autolyzed YeastFlavor

Yeast that has been broken down to release naturally occurring amino acids and flavor compounds

HypromelloseCapsule

Plant-derived capsule material from cellulose

Microcrystalline CelluloseBinder

Plant-derived cellulose used as a binder and filler in supplements

Stearic AcidLubricant

Saturated fatty acid used as tablet lubricant

Lab testing

How to take it

With a meal containing fat
Space it a couple of hours from Iron and Calcium

On the label

Suggested Use: 2 tablets daily with a beverage. May be taken anytime throughout the day, even on an empty stomach.

Price check

$25.99

$10$20$50

Near the median of 292 immune supplements

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from the NIH Office of Dietary Supplements and the National Academies Dietary Reference Intakes (DRI).

This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.

The score analyzes what's on the label: ingredient doses vs. studied ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.

Not medical advice. Consult your healthcare professional.

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