A website for comparing protein powder prices
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 :)…
A website for comparing protein powder prices launched on October 7, 2024 with 122 votes, #420 of 5,185 launches that month and more than 95% of that year's launches. The site was still online in September 2026, 2 years on.
In plain words
This website helps shoppers compare protein powder products by normalizing nutrition information and prices to a standard 25-gram protein serving. Since different brands use different serving sizes, this standardization makes it easier to evaluate cost and nutritional value across options. The tool currently sources pricing data daily from iHerb US and plans to expand coverage. It's designed for anyone purchasing protein powder who wants to make informed purchasing decisions based on actual comparable metrics rather than each manufacturer's arbitrary serving size.
written from the facts on this page · September 2026
From the sources
A Comparison of Prices for Protein Powder. Every Serving is Normalized to a Serving Size of 25 grams of Protein.
In the maker’s words, at launch
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…
Does a similar job
all alternatives →- Price Per Protein2025 · priceperprotein.com · ▲9
I tracked protein powder prices in a spreadsheet for years and found that identical protein content can have wild price differences. I built PricePerProtein to automate it. It pulls real-time Amazon data (Keepa API) and uses Gemini 2.5 Flash to extract nutrition facts from product images/descriptions. Calculates actual protein per dollar, not just package price. Technical: FastAPI + Celery backend, Next.js frontend with virtual scrolling to handle 3000+ products. Deployed on a VPS (migrated from GCP - much simpler). The AI handles everything from blurry nutrition labels to understanding…
precioproteinaJun 2026 · precioproteina.com · ▲6Compare protein powders by cost per gram, not by bottle
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