l carnitine choline TMAO biosynthesis. L-carnitine and are derived from the diet Carnitine, Choline, Cancer, & Cholesterol:

Letrozole (Femara) and anastrozole (Arimidex) are examples of aromatase inhibitors sometimes used to treat infertility in men with low testosterone levels

Gastrointestinal disturbances, constipation, dyslipidemia, and micronutrient deficiencies are common side effects in the KD regimen which is often discontinued earlier than recommended because such symptoms are difficult to be controlled 6

doi: 10.1146/annurev-micro-091014-104422 16 HanaiT.ShirakiM.ImaiK.SuetuguA.TakaiK.ShimizuM

Here are some clinical trials to give you an idea of the range of dosages: For schizophrenia, a clinical trial using 2400 mg/day of NAC showed increased glutathione levels and decreased glutamate levels