Institutions like the Open Medicine Foundation have actively investigated how bypassing this broken pathway with direct methylcobalamin supplementation can help restore methylation function, reduce debilitating fatigue, and improve cognitive clarity in ME/CFS patients
Are you much less coordinated than you were a year ago
After he died in 1984, other physicians and naturopaths took up prescribing "intravenous micronutrient therapy" with unsubstantiated health claims for treating fatigue, low energy, stress, anxiety, migraine, depression, immunocompromised, promoting weight loss, and more
Two patterns I see clinically: The form of B12 matters
Every vial ships with an HPLC purity trace (typically 99%), mass-spec identity confirmation, and endotoxin/heavy-metal screening on the batch