do b12 injections make you feel sick Best Shots in Chicago & Naperville 2026 ⚡️ Feeling tired, sluggish, or

People with dietary B12 deficiencies are often given daily injections of 30 mcg for 5-10 days, with monthly maintenance doses of 100 to 200 mcg

A vendor can sell it as a laboratory chemical labeled for research use only, which is exactly why those bottles say not for human consumption, and that narrow framing can be legal even while the human use you have in mind isnt approved

Signs You Might Be Vitamin B12 Deficient It's important for everyone, regardless of dietary choices, to be aware of potential B12 deficiency symptoms and seek medical advice if they arise

Maintenance dose: After the loading course, most people have one injection every 2 to 3 months