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Typically, a balanced diet can provide most of the vitamins and minerals you need, but especially if you have a health condition, your doctor may recommend supplements
The body tolerates high doses of B12 but taking too much over time may cause many unexplained symptoms
These include: Vegetarians and vegans, as vitamin B12 is mainly found in animal products Older adults, as they absorb vitamin B12 less well with age People with gastrointestinal disorders, like celiac disease or Crohns disease, which can block vitamin B12 absorption Those taking certain medications, such as proton pump inhibitors or metformin, which can also block vitamin B12 absorption Its best to talk to a healthcare professional about whether you need vitamin B12 supplements
Most people notice improved energy within 24-48 hours, with maximum benefits occurring after 2-4 weeks of consistent treatment
Follow-up with specialists If sciatic nerve injury or muscle damage is suspected, a neurologist or physical therapist may be needed for further evaluation and treatment
Concerns about IGF-1 include potential effects on cancer risk, acromegalic changes with chronic elevation, and metabolic disruption
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