Doc Galaktik's Vitality Serum

This is the newest in Doc Galaktik's long line of patent medicines, and it's actually pretty effective! I guess even a stopped duck quacks twice a day

When consumed:
You open the bottle of vitality serum, and chug the contents. That is probably not the correct dosage, but who wants half-empty serum bottles clogging up their inventory? Heal 1d10