I need a strong, masculine logo designed for a testosterone boosting product.
KEEP IT SIMPLE. This does not need to be some thrash/super edgy design like you see on most bodybuilding supplements.
It should have a more "medical" feel. I suggest a bold font, with maybe slight decoration. I will upload some examples.
Key here: This should not be impressive or design-y. It should look professional, something that an older man would not mind buying in a doctor's office. He is not impressed by gimmicks, but rather by a quality, almost boring looking product.
Think of how most RVs are all variations of the same design. The people buying this are not interested in flash, but in substance. Solid, quality, dependable.
Also including a font file you may want to use, but you do not have to.