You can buy Med Packs in Starfield from various vendors and medical facilities across major locations, especially early in the game. Key places to purchase Med Packs include:

• The Well district on New Atlantis : The Medical facility and Trade Authority here sell Med Packs, with the Med Bay Store being a reliable spot

• MAST district on New Atlantis : Doctors here sell Med Packs in good quantities

• Jamesion Mercantile and other shops in the Spaceport on New Atlantis : They sell some Med Packs but in limited stock

• Neon (Volii Alpha system) : Vendors such as Sieghart's Outfitters, Newill's Goods, and Trade Authority sell Med Packs

• Akila City (Akila planet) : Vendors like Duncan Lynch at the Trade Authority and Shepherd's General Store offer Med Packs

• Cydonia (Mars) : Trade Authority and Jane’s Goods have Med Packs available

• Other locations : Clinics and general stores on planets like Titan, Gagarin, and Porrima II also stock Med Packs

Med Packs typically cost around 500 credits each. Vendors restock their supplies after about 24 in-game hours, so you can buy repeatedly by waiting

. Additionally, you can craft healing items if you have access to a Pharmaceutical Lab, but buying from vendors is the most straightforward way to stock up early on

. In summary, your best early-game options are the Medical facility and Trade Authority in The Well district and the MAST district on New Atlantis, with other vendors across major settlements providing additional supply points