generic: Reputable providers use USP-grade methionine, inositol, choline, and B12 tested for purity and potency
Injecting bacteriostatic water directly onto the powder
Poor website/communication: If their website looks sketchy, emails go unanswered, or information is vague, look elsewhere
The choice of treatment should be individualised, considering the underlying cause, symptom severity, patient preference, and practical factors such as access to healthcare facilities for regular injections
Injection timing and frequency When you inject matters for results
However, a study found that taking 1,000 mcg of B12 by mouth or injecting the vitamin achieved similar results in treating the deficiencies