can b12 and d3 injection be taken together Do I Need Lab Testing Before Taking Vitamin D, or IV Vitamins? Vitamin B12 Injections - Vie

The Cochrane Database of Systematic Reviews (4) CD004514

Safe for multi-dose vials

Storage After Reconstitution Do This Store in refrigerator at 36-46F (2-8C) Keep away from light (store in box if possible) Use within 28-60 days of reconstitution Inspect for particles before each use Always swab the stopper before drawing Never Do This Never freeze reconstituted retatrutide Don't leave at room temperature for extended periods Don't use if solution is cloudy or has particles Don't use past the expiration date Never share vials or needles Stability note: While some sources cite 60-day stability, 28 days is the more conservative recommendation for compounded peptides

After extraction , I then attach the injection needle -in my case a 25G x 1 inch as i inject I.M