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Creatine, Genetics, and Dr. Peter Fitschen

The Stronger By Science Podcast

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Is Your ACTN3 Gene Bad?

People may somewhat overreact, both like perceptually and physiologically, to negative information about their genes. One of the genes that 23andMe looks at is your ACTN3 gene. It codes for a protein that essentially affects shortening velocity of fast switch fibers. Knowing about that one gene locus only tells you about four and a half percent of that strength power genotype. That's telling you about one out of 22 genes that may make a difference.

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