Will taking the supplement glycerol hydromax (glycerol, silica) interact with 1mg of finasteride? I'm taking fin for hair loss. Thanks

No. The supplement you are taking is an overpriced placebo. Creatine and aerobic training will do you much more good. The finasteride is your business. If you're a supplementing bodybuilder, consider simply embracing your genetic heritage. Nothing looks better than a 31 year old man who's strong, trim, with some nice well-trimmed facial hair, probably some great body hair, and some macho balding.