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Evidence-Based Supplement Research

Evidence-Based Supplement Research

Soy Protein and Improved Reaction Time

Doses used in studies

Isolate · g/day: 50 (median 50, IQR 50–50) — 1 study

Time to effect

Median: 8 weeks · IQR 8 weeks–8 weeks · Range 8 weeks–8 weeks — Reported in 1 of 1 study

1 of 1 paper

The Effect of Whey and Soy Protein Isolates on Cognitive Function in Older Australians with Low Vitamin B12: A Randomised Controlled Crossover Trial.
- 2018-12-21
- RCT
- Nutrients 11(1)
- - Ian T Zajac
  - Danielle Herreen
  - Kathryn Bastiaans
  - Varinderpal S Dhillon
  - Michael Fenech
- PubMed: 30577611
- DOI: 10.3390/nu11010019
2 Insights on
- Improved Reaction Time
- High evidence
- Rigorous Journal
- Clinical
there was evidence of improvement in reaction time (p = 0.02) and reasoning speed (p = 0.04) in the SPI condition for females.
Effect
Beneficial
Effect size
Small
Significant
Yes
Dose
50 g soy protein isolate per day