Study of Potions

Study of Potions is an Alchemist  subclass.

Priding themselves in having a cure for every ailment and a potion for every occasion, the apothecaries are among the most sought after alchemists by the general populace. Specializing in keeping others alive and enhancing their natural skills, they are just as coveted by adventurers, and those who have one amongst their ranks are often thankful for it.

Battle Medic

When you choose this specialization at 3rd level, you gain the following benefits:
You gain proficiency in the Medicine skill, or expertise if you're already proficient.
You learn the Spare the Dying cantrip, which counts as an Alchemist spell for you, but does not count against your total number of Cantrips known.
When a creature regains hitpoints from any of your potions, such as a potion of healing that you have crafted or a potion from your Potionmaking feature, that healing is increased by an amount equal to your spellcasting ability modifier.

Folk Healer

Also at 3rd level, being constantly on the move to help others has taught you a few things about common ailments, and coming into contact with a variety of diseases has boosted your own body's defenses. You gain immunity to diseases, and you have advantage on Medicine checks made to identify a disease, determine its specifics, or to treat it through nonmagical means.

Bitter Medicine

At 6th level, you have just the right thing to help others in every situation. Other creatures can now use your potions that replicate spells requiring concentration, using their own concentration instead of yours. The potion's intensity can be no higher than 2 and the potion must not directly target creatures other than the creature concentrating on its effects.

Master Healer

At 14th level, you learn the Lesser Restoration, Remove Curse, and Greater Restoration spells, or up to other three alchemist spells of your choice if you already know them. You may brew an extra potion of intensity 5 every long rest, but it must replicate one of the three spells listed in this feature.