why get a b12 injection Curious about shots? Best Vitamin B12 Injection Site:
Description
The best sources include organ meats, shellfish (especially clams), beef, fish like tuna and salmon, and dairy products like milk, yogurt, and cheese

Do I need a blood test before getting a B12 injection
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Presence of Preservatives Injections that contain preservatives may remain stable at room temperature for longer periods

But what exactly are they