The 4-Hour Body - An Uncommon Guide to Rapid Fat-Loss, Incredible Sex, and Becoming Superhuman - Timothy Ferriss
Associated deficiencies: B vitamins, folic acid, vitamins D and K11
Antidepressants
Used for: depression
Associated deficiencies: vitamin B-2
Alcohol
Used for: recreation
Associated deficiencies: folic acid, thiamine, vitamin B-6
Anti-ulcer and heartburn medications
Associated deficiencies: vitamins B-12 and D, folic acid, and the minerals calcium, iron, and zinc
Anticonvulsants
Used for: epilepsy, bipolar disorder
Associated deficiencies: biotin, folic acid, vitamins B-6, D, and K
Cholestyramine
Used for: high cholesterol
Associated deficiencies: vitamins A, D, E, and K
Nitrous oxide
Used for: dental anesthesia, recreation
Associated deficiencies: vitamin B-12
Chemotherapy drugs
Used for: cancer treatment
Used for: cancer treatment
Associated deficiencies: folic acid
Antipsychotics
Used for: schizophrenia, bipolar disorder
Associated deficiencies: vitamins B-2 (riboflavin) and D
Anticoagulants (e.g., warfarin)
Used for: atrial fibrillation, preventing blood clots