is l carnitine wada approved LeanShots Liquid L-Carnitine Shot (3000mg) Meldonium - Wikipedia

Activated charcoal, if used, may reduce NAC efficacy

Colchicine : No benefit, not recommended

The regulation includes a precise quantitative requirement that cuts through the noise of inflated marketing claims: The claim may be used only for olive oil which contains at least 5 mg of hydroxytyrosol and its derivatives (e.g., oleuropein complex and tyrosol) per 20 g of olive oil. These phenolic compounds contribute to the normal function of various bodily systems, including cardiovascular and gastrointestinal health

The problem is that many creatine supplements are sweetened and flavored, or added into other fitness supplements that do cause an insulin response, which means that consuming them would break your fast