In summary, the key interactions to consider are pyridoxines reduction of levodopa and anticonvulsant efficacy, niacinamides additive effects on blood pressure, blood sugar, and gout management, and the potential need for B-vitamin repletion in patients on certain medications (diuretics, isoniazid, etc.)
Although other sources also refer to higher levels of vitamin B6 for helping Raynauds Phenomenon 6 , the InfantRisk Centre urges caution stating that vitamin B6 has been associated with seizures at doses of 300 mg/day or more and doses above 600 mg/day could decrease a mothers milk supply 7
L-Arginine Supports nitric oxide formation, which is important for healthy dilation of blood vessels, circulation, and blood flow
If you have a Vitamin B12 deficiency and also suffer from GI related symptoms then it is advisable to have a practitioner order some functional lab tests to identify potential gut infections or other imbalances
Boosting it could extend healthy lifespan."[13][3] He advocates for precursors but sees value in inhibitors like 5-Amino-1MQ to maximize NAD+ utility
