Yes, you can legally buy these peptides online in the US, but only as research chemicals, not as medicine
Pharmaceuticals (Basel, Switzerland)

60+ deals B12 Injection (Health & Fitness) in Huntington Beach 60+ Deals available Dripp IV Therapy - Long Beach Up to 53% Off on Hangover IV at Dripp IV Therapy - Long Beach 415 Pine Avenue, Long Beach 4.9(558) -52%Limited time TrimBody MD Experience a 1-3 Month Weight Loss Shot Program 1835 Newport Boulevard, Costa Mesa 4.8(70) -85%Limited time Nutrition & Lifestyle Consulting LLC Up to 73% Off on Injection - Voluma 1020 South Anaheim Boulevard, Anaheim 4.8(49) -73%Limited time A+ Day Spa Boost Wellness with B12 and MIC Injections 355 Bristol Street, Costa Mesa 4.7(2,125) -83%Limited time California Medical Weight Loss(7 Locations) Boost Your Health with B12 Injections and Weight Loss Programs 1525 Mesa Verde Dr East, Costa Mesa 4.8(1,630) -69%Limited time LeanerRx Glutathione Injections for Detox & Immune Support 4.4(871) -18%Limited time Nutrition & Lifestyle Consulting LLC Up to 71% Off on Injection - B12 at Nutrition & Lifestyle Consulting LLC 1020 South Anaheim Boulevard, Anaheim 4.8(49) -61%Limited time Lux Medical Spa Institute Get Energized with Lipotropic B12 Injections 15775 Laguna Canyon Road, Irvine 4.6(207) -64%Limited time Health Source Online NAD+ Injection Therapy - Subcutaneous Injections & Nasal Spray 4.1(2,110) -25%Limited time

Specify whether you are seeking GHK-Cu for skin health, wound healing, hair support, or another purpose
Additionally many people report feeling more energetic after receiving their injections which can be beneficial when trying to combat fatigue caused by low b-vitamin levels due to poor dietary intake or malabsorption issues such as those experienced by individuals suffering from celiac or Crohns disease