ZHPHK Multi Collagen Peptides for Women 2000mg Hydrolyzed Collagen Peptides Pills from Type I II III V X with Hyaluronic Acid Better Absorption with Vitamin C Support Skin Hair Nail | 120 Count

Decision summary

CONSIDERAVERAGE

Not a strong option overall. The product is materially held back by weaker formulation coherence.

Compare top Collagen picks

Best for

Buyers comparing price and availability and okay with a middle-of-the-pack option.

Consider another option if

You prefer fully transparent formulas over blends and ambiguous labeling.

Multi-ingredient formulation analysis

Dose 3.3/10 · Bioavailability 3.2/10 · Coherence 0/10

Dose quality suggests a diluted formulation.

Ingredient form quality suggests suboptimal ingredient forms.

A proprietary blend limits independent dose verification.

This is a multi-ingredient product. The score reflects formulation quality, not efficacy for a specific health goal.

Score summary

Biotin: dose within clinically studied range (evidence B). The main limitation is that proprietary blend prevents independent dose verification.

Strengths

Biotin: dose within clinically studied range (evidence B)

Zinc: dose within clinically studied range (evidence A)

Weaknesses

Proprietary blend prevents independent dose verification

Collagen: below clinically studied range

Vitamin-c: below clinically studied range

Final verdict

Not a strong option overall. The product is materially held back by weaker formulation coherence.

Ingredient Analysis & Evidence

A closer look at the main ingredients, how they influence the score, and the supporting evidence when available. Tap any ingredient to expand.

⚠ Strong evidence exists, but dose is below effective threshold

Dose is below the minimum effective threshold. This is a limiting factor: Dose is likely below clinically useful levels. The declared form is acceptable, but not among the best-absorbed options.

Scientific evidence

Meta-analysis

Hemila & Chalker Cochrane review vitamin C and common cold duration

Cochrane Database of Systematic Reviews • 2013

PMID: 23440782.0

RCT

Padayatty et al. RCT on vitamin C antioxidant capacity in healthy adults

Journal of the American College of Nutrition • 2001

PMID: 11684527.0

⚠ Strong evidence exists, but dose is below effective threshold

Dose is below the minimum effective threshold. One of the weaker points: Dose is likely below clinically useful levels. The label does not specify the form, so absorption quality cannot be verified.

Scientific evidence

Meta-analysis

de Miranda et al. systematic review collagen peptides and skin

Journal of Cosmetic Dermatology • 2021

PMID: 31627309.0

RCT

Clark et al. RCT collagen hydrolysate and joint pain in athletes

Current Medical Research and Opinion • 2008

PMID: 19212965.0

ℹ At the minimum effective range, but below the optimal dose; evidence is strong

Dose meets the minimum effective range, but is below the optimal dose used for stronger effects. A clear strength: Dose is strong and within effective ranges. The declared form is acceptable, but not among the best-absorbed options.

Scientific evidence

Meta-analysis

Singh & Das Cochrane review zinc for common cold

Cochrane Database of Systematic Reviews • 2011

PMID: 22553186.0

RCT

Prasad et al. RCT zinc supplementation and testosterone in elderly men

Nutrition • 1996

PMID: 8875519.0

✔ Clinically effective dose with moderate supporting evidence

Dose is within the optimal/effective range. Strong contributor: Dose is strong and within effective ranges.

Scientific evidence

Systematic review

Patel et al. systematic review biotin and hair/nail health

Skin Appendage Disorders • 2017

PMID: 28786550.0

⚠ Moderate evidence exists, but dose is below effective threshold

Dose is below the minimum effective threshold. A clear drag on the formula: Dose is likely below clinically useful levels. The declared form is acceptable, but not among the best-absorbed options.

Scientific evidence

Meta-analysis

Zou et al. meta-analysis hyaluronic acid and knee osteoarthritis

PLOS ONE • 2014

PMID: 22424500.0

RCT

Oe et al. RCT oral hyaluronic acid and skin dryness and wrinkles

Nutrition Journal • 2017

PMID: 27224842.0

⚠ Moderate evidence exists, but dose may be too low to be effective

One of the weaker points: Dose is likely below clinically useful levels. The label does not specify the form, so absorption quality cannot be verified.

Scientific evidence

Meta-analysis

Eidelman et al. meta-analysis vitamin E and cardiovascular endpoints

Archives of Internal Medicine • 2004

PMID: 12750911.0

ZHPHK Multi Collagen Peptides for Women 2000mg Hydrolyzed Collagen Peptides Pills from Type I II III V X with Hyaluronic Acid Better Absorption with Vitamin C Support Skin Hair Nail | 120 Count

5.6/10

View on Amazon →

Warnings & notes

Important label or formulation details that may affect how this product should be interpreted.

i

Proprietary blend limits dose transparency

Exact ingredient amounts cannot be verified clearly.

Info

!

Collagen dose looks below clinically effective levels

Declared amount falls below ranges used in human trials.

Warning

!

Vitamin C dose looks below clinically effective levels

Declared amount falls below ranges used in human trials.

Warning

Methodology

Read our methodology overview to understand how SuppScoreLab combines multiple scientific dimensions into one practical score.

View methodology →

This evaluation is based on the product label and declared Supplement Facts available at review time. It does not verify laboratory-tested composition, purity, or batch-level quality. This content is educational and not medical advice. Consult a qualified healthcare professional for personal health decisions. Affiliate disclosure: SuppScoreLab may earn a commission from qualifying Amazon links.

Still comparing options?

See the best Collagen supplements ranked with the same methodology, or keep exploring the database.

See best Collagen supplements Browse database