Science in Sport
Science in Sport

SiS REGO Whey Protein Powder

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$1.76per scoop · $78.99 for 45
Where to buy

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Used for: post-workout recovery and building muscle

Per scoop
21g
Protein
2.4g
Carbs
117
Calories
✓ Informed SportGluten-freeNothing flagged in ingredients

Summary

Science in Sport SiS REGO Whey Protein Powder is a protein supplement with 21g of protein per serving.

Strengths

  • Batch-tested for banned substances (Informed Sport).
  • Key ingredients are well supported by research.

Weaknesses

  • No major weaknesses.

Why it scores 73

How scoring works →
Science22/25
Transparency19/25
Value13/20
Athlete experienceweakest10/20
Quality9/10

Independent analysis No brand partnerships

The details

Cross-referenced with PubMed & Examine.com

✓No flagged ingredients detected
Protein (Whey)21g protein
✓ Proven

Whey is a fast-digesting, complete protein that supports muscle repair; roughly 20–40g after training is the evidence-based target.

L-Leucine2.8g
~ Likely

The amino acid that most strongly switches on muscle protein building; about 2–3g per meal, usually from protein, is enough.

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