I only take whey and creatine.
My 23andme report says that I've disproportionately high amount of fast twitch muscle fiber.
And I am gaining muscle faster than my friends, sometimes even faster than the ones who take steroids.
I am not cacassian. 20% North European, 30% South East Asian, 20% Siberian, 30% Arab.
You might find this useful: https://www.t-nation.com/training/truth-about-bodybuilding-g...