Whey Protein vs Whey Protein Isolate for performance
Short answer: For performance, users rate them about the same: 100% report improvement with Whey Protein (51 reports) and 100% with Whey Protein Isolate (6 reports).
Whey Protein has 97 meta-analyses and 691 randomized trials on PubMed; Whey Protein Isolate has 1 and 80.
Based on 305 reports about Whey Protein and 39 about Whey Protein Isolate. Not medical advice.
| Whey Protein Supplement | Whey Protein Isolate Supplement | |
|---|---|---|
| Users say it helped | 83%helped128 reports · high confidence | 83%helped18 reports · few reports |
| Verdict | Mostly positive | Mostly positive |
| Research | AResearch: Strong | BResearch: Moderate |
| Meta-analyses / RCTs | 97 / 691 | 1 / 80 |
| Mainly used for | ||
| Performance % reporting improvement | 100% (51) | 100% (6) |
| Recovery % reporting improvement | 100% (31) | 100% (4) |
| Digestion % reporting improvement | 0% (8) | 50% (4) |
| Weight loss % reporting improvement | 67% (6) | 100% (2) |
| Common side effects | stomach issues, acne, constipation, throat tightness | nausea, stomach issues |
| Typical dose reported | 30 g / 2x daily | 20 g / 2x daily |
Analysis revealed that chronic and without professional guidance use of whey protein supplementation may cause some adverse effects specially on kidney and liver function. Presented data support a need for future studies co-relating the use of different types of whey protein with and without exercise to better see the impact on human physical health.
Appl Physiol Nutr Metab, 2021 ↗“Coffee with cream, has to be a cream or fake creamer with a whey protein, doesn't. It gives me a gentle but potent energy boost with no headache and no jitters.”
Caution must be considered regarding these results as controlled, non-randomized, trials were included in the analysis, which may have contributed to high risk of bias. Future research should focus on protein types and the impact they have on kidney disease progression and inflammation markers.
Nutrients, 2021 ↗“If you get the quality whey isolate from true nutrition or another popular bulk powder site, you can easily find the difference. For me, isolate dissolves much faster, doesn't give stomach problems”
Related comparisons
Percentages come from first-hand user reports and are not clinical outcomes. Talk to a doctor before starting, stopping or combining anything. How we rate