# Evaluating quality of protein supplements for athletes

> A University of Seville study analysed protein supplements by source, heat treatment and storage. Half of the products tested contained more than 6 percent blocked lysine, and only 9 percent exceeded 20 percent. Supplements with the highest blocked-lysine levels were hydrolysed and peptide products.

- Date: 2018-09-26 · published 2018-09-26T12:00:00.000Z
- Category: report · region Global · magnitude low
- Page: https://feedsoft.ai/events/63371-evaluating-quality-of-protein-supplements-for-athletes
- Commodities: [Lysine](https://feedsoft.ai/c/LYSINE.md)

## Why it matters

This is consumer nutrition research with no direct effect on feed grain or oilseed supply, demand or prices. It has little relevance to feed buyers.

## Sources

- medicalxpress.com: https://medicalxpress.com/news/2018-09-quality-protein-supplements-athletes.html

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Data from Feedsoft AI (https://feedsoft.ai/). For information only; not investment advice.