Muscle Feast Grass-Fed Whey Protein Isolate, All Natural Hormone Free Pasture Raised, Whey Isolate Protein Powder for Men and Women, Clean, Non-GMO & Gluten-Free, Isolate Protein - Unflavored, 5lb
Only budget-focused buyers with flexible standards.
Consider another option if
You care a lot about label clarity and want fewer unknowns.
Score breakdown
Tap a module to see what it measures. A 0 can reflect missing disclosure, not just a negative result.
Dosage quality
0.9/10
Dosing looks weaker than ideal
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).
Vitamin-d: high-bioavailability form declared (Cholecalciferol (D3)). The main limitation is that calcium: below clinically studied range.
Strengths
Vitamin-d: high-bioavailability form declared (Cholecalciferol (D3))
Weaknesses
Calcium: below clinically studied range
Calcium: chemical form not specified on label
Formula coherence is weak: diluted, decorative or overly complex
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
A clear drag on the formula: Dose is likely below clinically useful levels. The label does not specify the form, so absorption quality cannot be verified.
Scientific evidence
Meta-analysis
Tang et al. meta-analysis calcium supplementation and fracture risk
This is a limiting factor: Dose is likely below clinically useful levels. The label does not specify the form, so absorption quality cannot be verified.
Clinical dosing guidance
Based on established dosing ranges used in clinical practice.
Min effective: 1500 mgOptimal: 2600 mgUpper: 5000 mgGrade: A
⚠ Moderate evidence exists, but dose is below effective threshold
A clear drag on the formula: Dose is likely below clinically useful levels. The label does not specify the form, so absorption quality cannot be verified.
Scientific evidence
Meta-analysis
Pasricha et al. systematic review iron and fatigue in non-anaemic women
Muscle Feast Grass-Fed Whey Protein Isolate, All Natural Hormone Free Pasture Raised, Whey Isolate Protein Powder for Men and Women, Clean, Non-GMO & Gluten-Free, Isolate Protein - Unflavored, 5lb
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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