Muscle Protein Synthesis Evidence summary: Grade A

Native Whey Protein Isolate

A practical review of human research, studied supplementation protocols, uncertainty, adverse effects, and what to verify on an exact product label.

Amounts used in selected studies

25g – 30g per serving (>2.7g Leucine)

Study protocols vary. This is research context, not a universal dose or medical recommendation.

What the evidence suggests

Drives net positive muscle nitrogen retention, accelerating myofibrillar repair and muscular hypertrophy following resistance workouts.

Mechanism of Action

Cold-filtered native whey delivers rapid gastric emptying and an instantaneous rise in systemic essential amino acids, triggering maximal mTORC1 phosphorylation.

📚 Selected peer-reviewed research:

PubMed PMID: 28698222 → PubMed PMID: 25169440 →

Catalog Products Containing Native Whey Protein Isolate

5 catalog matches

Amount matches a studied range protein

IsoLean Grass-Fed Whey Isolate →

Label or catalog text: Protein, filtration, lactose, enzyme, and amino-acid claims are unverified

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Amount matches a studied range protein

Dymatize ISO100 Whey Isolate, Cookies & Cream →

Label or catalog text: Whey isolate protein powder

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Amount matches a studied range protein

Transparent Labs Grass-Fed Whey Protein Isolate, French Vanilla, 30 Servings →

Label or catalog text: Manufacturer page confirms 100% grass-fed whey isolate, 28g protein per serving, and 30 servings

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Ingredient identified protein

Optimum Nutrition Gold Standard Whey, Vanilla Ice Cream, 2LB →

Label or catalog text: Whey protein powder

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Ingredient identified gut-health

ProteoUltra High-Protein Digestive Enzymes →

Label or catalog text: Native Whey Protein Isolate Included

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