EVIDENCE-BASED SUPPLEMENT SCORING
7.8/10
SOLID OPTION

Confidence: 100%

Whey Factors by Natural Factors, Grass Fed Whey Protein Concentrate, Aids Muscle Development and Immune Health, Unflavored, 2 lb

Whey Factors by Natural Factors, Grass Fed Whey Protein Concentrate, Aids Muscle Development and Immune Health, Unflavored, 2 lb

B005P0JMH2

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Decision summary

CONSIDERSOLID OPTION

A solid product, but not a clean win. The main trade-off is weaker ingredient form quality.

Best for

People prioritizing high absorption and overall formula quality.

Consider another option if

You prefer fully transparent formulas over blends and ambiguous labeling.

Score breakdown

Tap a module to see what it measures. A 0 can reflect missing disclosure, not just a negative result.

Dosage quality

10.0/10

Strong dosing for the intended goal

Checks whether labeled ingredient amounts fall within clinically studied ranges (not just regulatory minimums). Low/0 can reflect under-dosing or missing amounts (e.g., proprietary blends).

Score summary

Whey-protein: dose within clinically studied range (evidence A). The main limitation is that proprietary blend prevents independent dose verification.

Strengths

Whey-protein: dose within clinically studied range (evidence A)

Weaknesses

Proprietary blend prevents independent dose verification

Final verdict

A solid product, but not a clean win. The main trade-off is weaker ingredient form quality.

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.

✔ Clinically effective dose with strong supporting evidence

Dose is within the optimal/effective range. The declared form is acceptable, but not among the best-absorbed options.

Scientific evidence

Meta-analysis

Tang et al. meta-analysis protein supplementation and muscle mass gain

British Journal of Nutrition • 2009

PMID: 22150425.0

Whey Factors by Natural Factors, Grass Fed Whey Protein Concentrate, Aids Muscle Development and Immune Health, Unflavored, 2 lb

Whey Factors by Natural Factors, Grass Fed Whey Protein Concentrate, Aids Muscle Development and Immune Health, Unflavored, 2 lb

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

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.

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