Well that depends on if your doing it the legal way. You can buy all legal weight loss supplements online but the illegal supplements can not be bought online.

There are effective supplements that will rapidly cause weight loss, however none are safe and without risk. Popular weight loss supplements include Stacker 2 and Xenadrin, however these should not be used without consulting your doctor.

Yes, in the US you have to be eighteen year old in order to buy weight loss supplements. You will usually be asked for photo identification to prove your age.

There are a number of natural supplements that are advertised to help with weight loss. Some include green tea extract, cinnamon bark, and HGC (which is controversial).

They do not make supplements to regain your hair. However, there is an alternitive. You could look into some hair loss restoration. This will help you to grow your hair back.