She is very knowledgeable and experienced and answered my queries and made me feel at ease
Is there a reason for you to inject
Vitamin B12 injections are often recommended for individuals who are unable to meet their B12 requirements through diet alone, such as those following a vegan or vegetarian diet, individuals with malabsorption issues, or those with certain medical conditions

According to a 2018 review, GHK-Cu as a cosmetic ingredient has demonstrated the ability to:3 Tighten loose skin Reverse age-related skin thinning Repair the skins protective barrier proteins Improve skin firmness and elasticity Reduce the appearance of fine lines and wrinkles Smooth rough skin Stimulate wound healing Lessen the appearance of photodamage (sun damage), hyperpigmentation, skin spots, lesions, and more Reduce inflammation and damage from free radicals Increase hair growth and thickness Additionally, in research from 2015, the authors noted that GHK-Cu may be able to stimulate collagen, regulate the skin remodeling process, attract immune cells to the site of an injury, and restore replicative vitality to fibroblasts (a cell that helps form connective tissue) in patients whove undergone radiation therapy for cancer.2 6 GHK-Cu isnt limited to topical/cosmetic forms, however

Vitamin B12 Deficiency in Chickens Vitamin B12 is essential in proper amino acid utilization in poultry
Its a rapidly evolving area of pharmacology.