To clarify that: fish is sufficient. One does not have to eat land animals.
Confirm. I’ll add that the creatine content in fish is far more variable (by species) than in land mammals and is typically much lower (~1/2). But if you stick to Herring you’ll be laughing! (Ref).
Confirm. I’ll add that the creatine content in fish is far more variable (by species) than in land mammals and is typically much lower (~1/2). But if you stick to Herring you’ll be laughing! (Ref).