For example, a company might say its supplement will prevent heart disease, even though there isnt evidence to back that up, says Lauren Haggerty, a former clinical pharmacist at Johns Hopkins Medicine who now works for AstraZeneca
This method bypasses the digestive system, allowing for higher concentrations of nutrients to be delivered to the body's cells and tissues more efficiently than through oral supplementation
Seek medical attention promptly if you experience symptoms that could suggest serious underlying conditions, including: Unexplained weight loss or persistent fatigue Jaundice (yellowing of skin or eyes), abdominal pain, or swelling Easy bruising or bleeding , or unusual skin rashes Night sweats , fever, or enlarged lymph nodes Reduced urine output , significant swelling in legs or ankles Persistent itching without obvious skin cause These symptoms may indicate liver disease, haematological disorders, or renal impairmentconditions that can elevate B12 and require specialist assessment
The usual dosage is 100 mcg to 1,000 mcg per shot