Even if you do receive the recommended doses of Vitamin D, it may be beneficial to receive a therapeutic injection of Vitamin D
Collagen peptides Recommended for competitive bodybuilders or powerlifters Pros Evidence for increasing muscle mass and strength in combination with resistance training No serious side effects in people who arent allergic Not prohibited by the World Anti-Doping Agency Normally doesnt require subcutaneous injection Readily available over-the-counter Cons Unknown how collagen compares to other peptides for muscle growth and injury recovery Typically not vegetarian- or vegan-friendly Collagen peptides are unique among our recommendations because: They arent prohibited by the World Anti-Doping Agency.39 They pose no risk of serious side effects in people who arent allergic.6 Theyre bioavailable via oral administration.12 You dont need a prescription to get them

also showed the same trend in knee symptoms and daily activity progression using the mean KOOS score in ten participants with degenerative meniscus tears without osteoarthritis according to Stoller classification after 3 months and 6 months of follow up (i.e., KOOS: 56.6 15.7 baseline, 70.2 16.8 post- 3 months, 72.7 18.5 post- 6 months, p = 0.0007)
While this is not weight gain, it can leave you feeling and looking heavier
Read more about 4 types of vitamin B12
Efficacy of FLU-v, a broad-spectrum influenza vaccine, in a randomized phase IIb human influenza challenge study