Peptide Compare
Compare peptide vendors by price, purity, and trust.
What it does
The Wirecutter for peptides. Compare 70+ peptides across 250+ vendors with daily-updated pricing, third-party purity testing (Janoshik), and community trust ratings (Finnrick). We normalize per-milligram pricing, track stock, and rank vendors without accepting payment for placement. Head-to-head peptide comparisons, a reconstitution calculator, and coupon tracking round it out. Independent, data-driven, no inventory — just transparent research tools for the peptide community.
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diskprices.com, but for Protein Powder! Buying protein powder is a mess, and comparing different products is frustrating, since all brands choose their own serving sizes. By collecting nutrition facts, and normalizing the serving to contain 25 grams of protein, we can properly compare price/nutrients per serving. Inspired by diskprices.com, the idea is to provide an equally functional interface to compare products. The prices are collected once a day, currently from iHerb US. Aiming to improve the coverage soon. Any tips / suggestions / other feedback more than welcome :)…
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