Is it intended for human use
Because these injectable vitamin therapies deliver important vitamins directly into the muscle, many patients notice benefits such as improved mood, reduced fatigue, and a more youthful appearance

Berkeley Heights, NJ 07922 Revised December 2023 PIN350-WES/6 NDC 0143-9621-01 1 mL Vial Cyanocobalamin Injection, USP Rx only 1,000 mcg/mL For IM or SC use ONLY Protect from light Contains Benzyl Alcohol NDC 0143-9621-25 Rx only Cyanocobalamin Injection, USP 1,000 mcg/mL For Intramuscular or Subcutaneous use ONLY Contains Benzyl Alcohol as a Preservative 25 x 1 mL Vials NDC 0143-9620-01 10 mL Multiple Dose Vial Cyanocobalamin Injection, USP Rx only 10,000 mcg per 10 mL (1,000 mcg/mL) For Intramuscular or Subcutaneous use ONLY Contains Benzyl Alcohol as a Preservative NDC 0143-9620-10 Rx only Cyanocobalamin Injection, USP 10,000 mcg per 10 mL (1,000 mcg/mL) For Intramuscular or Subcutaneous use ONLY Contains Benzyl Alcohol as a Preservative 10 x 10 mL Multiple Dose Vials NDC 0143-9619-01 30 mL Multiple Dose Vial Cyanocobalamin Injection, USP Rx only 30,000 mcg per 30 mL (1,000 mcg/mL) For Intramuscular or Subcutaneous use ONLY Contains Benzyl Alcohol as a Preservative NDC 0143-9619-10 Rx only Cyanocobalamin Injection, USP 30,000 mcg per 30 mL (1,000 mcg/mL) For Intramuscular or Subcutaneous use ONLY Contains Benzyl Alcohol as a Preservative 10 x 30 mL Multiple Dose Vials NDC 0143-9619-01 Rx only Cyanocobalamin Injection, USP 30,000 mcg per 30 mL (1,000 mcg/mL) For Intramuscular or Subcutaneous use ONLY Contains Benzyl Alcohol as a Preservative 1 x 30 mL Multiple Dose Vials

When you take a B12 pill, it has to go through your digestive system, where much of the vitamin can be lost before your body can use it
Product is everything they say it is supposed to be