For skin elasticity and connective tissue support, this product delivers 6g of **Collagen Peptides** per 6-tablet serving — right in the clinical sweet spot. Most skin-focused RCTs show benefits starting at 2.5–10g daily, so you're solidly in range. The grassfed bovine source provides Type I and III collagen, the types most relevant to your skin and hair.

**Vitamin C** at 60mg supports collagen synthesis in your body, though the dose is modest. **Biotin** at 5,000mcg is at the top of the supplement range, though clinical evidence for hair and nail benefits is strongest in individuals who are actually biotin-deficient.

The main tradeoff is pill burden. Six tablets per serving is a lot to swallow daily, and the 270-tablet bottle only lasts 45 days. If you find that manageable, the collagen dose itself is well positioned for results. A powder format would deliver the same collagen with less hassle.

BioStacks
NeoCell

Grassfed Collagen Peptides + Vitamin C & Biotin, 270 Tablets

6 Tablets · 45 servings · $0.34/serving

iHerbAmazon

Best for

Skin

Ingredients (3)

Biotin

100%

Dose

5000 mcg

Target

1000–5000 mcg

Form

—

Vitamin C

100%

Dose

60 mg

Target

40–200 mg

Form

Standard

BioActive NeoCell Collagen Peptides

100%

Dose

6 g

Target

5–20 g

Form

Standard

Nutrition

Calories, macros & sodium.

  • Sodium30 mg

Other Ingredients (2)

SulfitesPreservative

Sulfite sensitivity affects ~1% of the general population and up to 5% of asthmatics. Can trigger bronchospasm, hives, and anaphylaxis in sensitive individuals. FDA mandates labeling above 10 ppm.

Magnesium StearateLubricant

A salt of stearic acid used as a lubricant in tablet and capsule production

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and 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. clinical 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.

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