Prolaject TM B12 is a short-acting injectable supplement, it provides protection in a single treatment, for the treatment and control of cobalt deficiency in sheep and cattle: Maintain growth, Reduce ill thrift and support energy and immunity
Mast Cell Activation Syndrome. Cleveland Clinic, Accessed 14 May 2026
If the deficiency was purely dietary, oral supplementation may be considered after initial repletion
Side effects from B12 supplementation are uncommon but may include: Mild gastrointestinal symptoms such as nausea or diarrhoea, typically with very high oral doses Headache or dizziness in some individuals Skin reactions (rash, itching) at injection sites when using intramuscular preparations Rare but serious allergic reactions, including anaphylaxis with injectable forms Hypokalaemia (low potassium) may occur during rapid correction of severe megaloblastic anaemia If you experience symptoms of a severe allergic reaction (difficulty breathing, severe rash, swelling of face or throat) after taking B12, seek immediate medical attention
Uses/Benefits of Vitamin B-12 Shots Here are some of the top benefits/uses of vitamin B-12 shots (Fun fact: they are all backed by science): Prevention of Anemia and Formation of Red Blood Cells Vitamin B12 helps your body produce red blood cells and fight anemia
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