Protein Supplementation in Sports: JISSN Position Stand

## Summary

The JISSN Position Stand by Jäger R et al. from 2017 is the most comprehensive document on protein supplementation in sports and was published in the Journal of the International Society of Sports Nutrition.

Study Background

This Position Stand analyzes over 600 studies on protein supplementation and provides evidence-based recommendations for athletes and active individuals.

Key Findings

The Position Stand shows: - Optimal dose: 1.4-2.0 g/kg body weight/day for athletes - Timing: 20-40g protein every 3-4 hours is optimal - Leucine threshold: 2-3g leucine per meal for maximal muscle protein synthesis - Whey vs. Casein: Whey is faster, casein provides slow release - Plant proteins: Soy isolate comparable to whey at adequate dosing

Methodology

As the official Position Stand of the ISSN, this represents the scientific consensus based on hundreds of studies and meta-analyses.

Scientific Context (No approved health claims)

Please note: The following information describes scientific study results. They do not constitute a recommendation for health claims and must not be used as such.

These Position Stand findings are relevant for: - Scientific product development: Dosing strategies based on 600+ studies - Study results: Evidence-based recommendations from leading scientists - Dosing studies: Optimal protein amounts and timing strategies - Transparency: Disclosure of scientific evidence without promotional claims

Source

The full Position Stand is freely accessible.

Authors: Jäger R, Kerksick CM, Campbell BI, Cribb PJ, Wells SD, et al. Year: 2017 Journal: Journal of the International Society of Sports Nutrition DOI: 10.1186/s12970-017-0180-0

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*Note: This summary is for informational purposes only. The presented study results are not approved health claims. For detailed information, please consult the original source.*