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Introvit is used for: - Prevention or treatment of vitamin or amino acid deficiencies in farm animals

Vitamin B12 injection effects can include: Soreness or slight bruising where the needle goes in A warm feeling right after the injection Mild headache in some people, which usually passes quickly Rare allergic reactions, which is why a health check happens first Vitamin B12 injection painful is a common worry, but most people describe it as a quick pinch rather than anything severe

Keep vials away from light exposure when possible

Without this important nutrient, cellular function would cease and energy would plummet