According to Harvard Medical School, “Creatine is often called an amino acid. But technically it is not one of the 20 amino acids that are the building blocks of all proteins. Our bodies can make creatine from three other true amino acids: arginine, glycine, and methionine.”
Back in the 1990s, when I first started lifting weights in high school, creatine was seemingly controversial. Some of the upperclassmen at my school were taking it, and the coaches at the school were not happy about it. I assume a lot of that concern was due to the coaching staff not knowing a lot about creatine and erring on the side of caution. As time has gone by, creatine has become generally accepted as a helpful and safe supplement.
I have taken the creatine product in the embedded video below (via the Older Muscles YouTube channel) for over two years now, and I am a big fan of it. My dad uses it, my uncle uses it, and my brother uses it. All of us have had good experiences with it.
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