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Risks and Side Effects While generally safe, vitamin B12 injections can have side effects or risks, such as: Mild pain, swelling, or redness at the injection site Dizziness, headache, or nausea Allergic reactions (rare) Hypokalemia (low potassium levels) in individuals with severe deficiency undergoing treatment People with allergies to cobalt or who have Lebers disease should avoid B12 injections unless specifically advised by a doctor
Potency Accurate and verified active ingredient concentration to ensure consistent effectiveness in every batch
Therefore, a true overdose that causes toxicity is extremely rare
NSAIDs have robust human RCT evidence for pain and inflammation but impair long-term tendon healing in some models
Vitamin B12 plays a role in the production of serotonin, a neurotransmitter that affects mood and appetite
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