Recommended Supplements

These are the vitamins we use personally:

Vitamin C

(L-ascorbic acid as recommended by Dr Robert Cathcart)
Dosage instructions

Why choose DSM’s Ultra Fine Vitamin C powder sold by GMO Free Vitamins?

  • It’s the same Ultra Fine sold by the Vitamin C Foundation but at less than half their price.
  • Doctor’s Best uses a cheaper grade of DSM’s Quali-C that can’t get your plasma levels of vitamin C as high due to a much larger particle size and bowel tolerance limitations:
  • “I strongly recommend you sell ultrafine powder labeled as world finest. There is no problem in using DSM fine powder, but there is clear difference when you go mega dose with ultra-fine powder reaching more that 10 g a day. You can sell the fine powder or crystals, but they are second or third grade (larger) at least in terms of size of the granules of ascorbic acid. Those differences result in the difference in bowel tolerance doses, which Dr. Robert Cathcart, III, insisted as the ideal dose of oral megadose Vitamin C therapy to individuals.” – Byeong Keun Ha, M.D., Ph.D.

    Oral Vitamin C has a 30 minute half life in the body so any one dose is pretty much used up within 2 hours. Spread doses throughout the day. Slow down towards evening so the energy boost won’t interfere with your sleep.

    Liposomal vitamin C

    If you prefer (and can afford) to take Liposomal vitamin C: (1g Liposomal equates to 3.5g ascorbic acid but costs about 11x more). We use the powder for maintenance, and occasionally the lipo as well for acute treatments.

    Vitamin D3

    A fat soluble vitamin (which means your body can store it) that will keep your antioxidant protection high during the night without the energy boost that might stop you from falling asleep like vitamin C can vitamin D3


    (Warning: Do not use Niacin before reading about it’s flush effect!)
    Any brand of niacin will do as long as you make sure it’s Nicotinic Acid. The others are toxic for your liver. Write the maker and ask if in doubt. We’ve confirmed this one is nicotinic acid: niacin

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