Your creatine dose
Creatine monohydrate is one of the most studied sports supplements. Dose it by body weight.
Method: 3-5 g per day, or 0.3 g per kg per day for 5-7 days if loading, as in the International Society of Sports Nutrition position stand (Kreider et al., 2017). Dose here is about 0.04 g per kg, kept between 3 and 5 g.