I'm assuming that's just for the maker to know what they have in the bottle. I did like that it was in a dropper so it was extremely easy to dose and dispense verses using a needle and MDVs and having to hide sharps and the pain associated with that. Probably the worst side effect I experienced was the loss of vision. More specifically, it was like an ink splotch growing in size in my vision each day, sarms and liver toxicity. At first I was worried that I had a neuro hit from a dive early in the day since the onset was pretty rapid.Here's an example of what many feel is an effective dosing plan for the most popular SARMS products, sarms and liver toxicity.