THORNE - Collagen Fit - Unflavored Collagen Peptides Powder with Nicotinamide Riboside - 15g of Collagen Peptides and 14g Protein per Serving - NSF Certified for Sport - 17.8 Oz - 30 Servings
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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.
People prioritizing high absorption and overall formula quality.
Consider another option if
You want fewer compromises on formulation quality.
Score breakdown
Tap a module to see what it measures. A 0 can reflect missing disclosure, not just a negative result.
Dosage quality
8.2/10
Generally solid dosing
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).
Collagen-peptides: dose within clinically studied range (evidence B). The main limitation is that trimethylglycine: below clinically studied range.
Strengths
Collagen-peptides: dose within clinically studied range (evidence B)
Collagen-peptides: high-bioavailability form declared (Collagen Hydrolysate)
Weaknesses
Trimethylglycine: below clinically studied range
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. A clear strength: Dose is strong and within effective ranges. The declared form supports strong absorption.
Scientific evidence
Meta-analysis
de Miranda et al. systematic review collagen peptides and skin elasticity
Evidence inferred from established knowledge, not directly linked studies
Adequate, but not a key strength: Clinical dosing guidance is limited for this ingredient.
No supporting studies or dosing references are currently available for this ingredient.
THORNE - Collagen Fit - Unflavored Collagen Peptides Powder with Nicotinamide Riboside - 15g of Collagen Peptides and 14g Protein per Serving - NSF Certified for Sport - 17.8 Oz - 30 Servings
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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