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Is collagen good for building muscle? | Nutritionist Explains | Myprotein

Aug 26, 2026
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Is collagen good for building muscle? Muscle growth requires essential amino acids, with leucine playing a particularly important role in stimulating muscle protein synthesis. Collagen, however, has a very different amino acid profile from complete proteins such as whey. In this YouTube Short, expert nutritionist Dr Richie Kirwan explains why collagen isn't the ideal protein source for building muscle and why the essential amino acid content of your protein matters. Key Facts: Your body needs all nine essential amino acids to effectively support muscle protein synthesis. Leucine plays a key role in triggering the muscle protein synthesis response. Collagen is very low in leucine compared with high-quality muscle-building proteins such as whey. Collagen lacks the essential amino acid tryptophan, meaning it isn't considered a complete protein. Collagen provides amino acids that can support connective tissues, but it isn't an optimal protein for maximising muscle growth. Complete, leucine-rich proteins are generally better choices when muscle gain is the primary goal. FAQ: Q: Is collagen a complete protein? A: No. Collagen lacks tryptophan, one of the nine essential amino acids. Q: Does collagen contain leucine? A: Yes, but only in relatively small amounts. Collagen is much lower in leucine than proteins such as whey, so it's not an ideal source for stimulating muscle protein synthesis. Q: Why is leucine important for building muscle? A: Leucine acts as an important signal for stimulating muscle protein synthesis, while the other essential amino acids provide the building blocks required to produce new muscle protein. Q: Can collagen help you build muscle? A: Collagen provides protein, but its amino acid profile makes it less effective for supporting muscle protein synthesis than high-quality complete proteins such as whey, dairy, eggs, meat, or soy. #myprotein #wheyprotein #protein #nutrition ********************************* Myprotein is Rated Excellent on Trustpilot 🔔 Subscribe to our channel: https://www.youtube.com/user/MyproteinUK?sub_confirmation=1 📲 Download the Myprotein app: https://myprotein.onelink.me/IYeO/o2erh9hb The UK & Europe's Number 1 Online Sports Nutrition Brand, Myprotein.

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