Whey Isolate vs Whey Protein Isolate for performance
Short answer: For performance, more users report improvement with Whey Protein Isolate — 100% of 6 reports, versus 50% of 2 for Whey Isolate.
Whey Isolate has 0 meta-analyses and 15 randomized trials on PubMed; Whey Protein Isolate has 1 and 80.
Based on 19 reports about Whey Isolate and 39 about Whey Protein Isolate. Not medical advice.
| Whey Isolate Supplement | Whey Protein Isolate Supplement | |
|---|---|---|
| Users say it helped | 76%helped4 reports · few reports | 83%helped18 reports · few reports |
| Verdict | Mostly positive | Mostly positive |
| Research | BResearch: Moderate | BResearch: Moderate |
| Meta-analyses / RCTs | 0 / 15 | 1 / 80 |
| Mainly used for | ||
| Performance % reporting improvement | 50% (2) | 100% (6) |
| Common side effects | acne | nausea, stomach issues |
| Typical dose reported | 25 g / daily | 20 g / 2x daily |
“I have been looking at whey isolate; are there other whey products I could use which are low on lactose? Any quality whey or casein protein will have a low lactose content.”
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”
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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