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Cons: only delivers B12, no hydration, no other vitamins, no add-ons

Vitamin B12 is not considered dangerous for most men, but excessive supplementation may mask underlying health issues, such as folate deficiency, if not managed with proper medical supervision

Does it have any side effects

Effective for Deficiency Injections are often recommended for individuals with conditions that limit B12 absorption, such as: Pernicious anaemia Gastrointestinal disorder Post-bariatric surgery patients Signs You May Be Low in Vitamin B12 You might benefit from B12 testing or treatment if you experience: Persistent fatigue or weakness Tingling or numbness in hands and feet Difficulty concentrating (brain fog) Pale or jaundiced skin Shortness of breath Mood changes or irritability If left untreated, B12 deficiency can lead to more serious complications, so early treatment is important