regular over the counter vitamins and balanced diet and lifestyle is all you need. avoid cheap publicity stunts claiming to increase endurance etc as none of these are legal and healthy. stick to natural ways and exercise and keep doing it as they say try try again. i hope it helps. stay in touch with your healthcare provider for further guidance as our answers are just for education and counselling purposes and cannot be an alternative to actual visit to a doctor. take care khan
i am a collegiate baseball pitcher and i would like to increase my velocity. what are some safe vitamins or supplements i could take to increase muscle mass and endurance?