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(365 customer reviews)


(365 customer reviews)

Thiamax, one of the leading thiamine supplements in the US, contains thiamine tetrahydrofurfuryl disulfide, a derivative of thiamine (vitamin B1) with high bioavailability, making it the perfect natural supplement to improve your thiamine status. TTFD, the main ingredient in Thiamax, has displayed the ability to cross the blood-brain-barrier and can bypass normal routes of thiamine absorption, with a higher rate of uptake both in the gut and at the cellular level. It also includes a small amount of magnesium (as magnesium taurate), which plays an important role in supporting how your cells can use thiamine.

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Thiamax – What makes it superior to other thiamine supplements?

Thiamax, a synthetic thiamine supplement, contains a highly-bioavailable derivative of thiamine (vitamin B1) called TTFD – thiamine tetrahydrofurfuryl disulfide. This form has been widely researched in Japan for its therapeutic potential in addressing thiamine deficiency.

Unlike ordinary forms of Vitamin B1 or thiamine supplements, TTFD’s molecular structure allows it to pass through intestinal and cellular membranes without the requirement for a transport system. Once inside the cell, it can be activated and used as a cofactor in important biochemical processes.




TTFD also has a demonstrated capacity to penetrate the blood brain barrier and increase thiamine levels in the brain and central nervous system, where it may be used to support optimal cognition and maintain autonomic nervous system function.

Due to its superior bioavailability, TTFD can be taken in much lower doses than what is considered the “therapeutic dose” of other forms such as thiamine salts. Thiamax also contains a small amount of magnesium (as magnesium taurate), which is a mineral that is important for supporting how cells can utilize thiamine, making it a useful way to supply thiamine to the body and improve thiamine status.

Also, what makes Thiamax superior to other Thiamine supplements is the fact that it’s the only form of TTFD in the world that doesn’t use any fillers or excipients.

Thiamax vs thiamine


Thiamax Dosage


How much Thiamine per day?

  • 1 capsule per day, with or without food.
  • Avoid coffee/tea consumption either 1 hour before or 2 hours after taking Thiamax.
  • Avoid taking it in the afternoon or evening, as it may interfere with your sleep cycle.
  • It should be taken alongside 200-400 mg of magnesium & a high quality B-complex.

For first time users:

  • Start with ½  or ¼  of a capsule per day by emptying the capsule contents into a small glass of water.
  • Increase the thiamine dosage every 3 or 4 days until you reach 1 full capsule per day.

Before you start taking Thiamax

In some individuals, thiamine supplements like Thiamax can induce a temporary worsening of certain symptoms such as fatigue, brain-fog, and digestive bloating or gas. These side effects usually last for around one week, and are referred to as the “paradoxical reaction”.

Frequently Asked Questions

How much thiamine per day should be taken to begin with?

When is the best time to take thiamine supplements or Thiamax?

Can I take Thiamax with food?

What are the side effects of thiamine supplements?

What is the maximum dosage of Thiamax?

Are there any other supplements which should be taken with Thiamax?

365 reviews for Thiamax

1-10 of 365 reviews
  1. Alina

    Excellent quality, pure, small, easy to dose and swallow

    (0) (0)
  2. Kathleen H.

    Great product for fighting endogenous oxalate issues. Would welcome an optional higher thiamine content to be made available.

    (1) (0)
  3. Anonymous

    Excellent for gi symptoms

    (0) (0)
  4. wyeming

    happy with the product…

    (0) (0)
  5. Tamara Spillis

    No fillers. Using for stroke recovery.

    (0) (0)
  6. Peg Futrell

    Excellent B1 product. B1 is so essential for energy metabolism, and this is a great source.

    (0) (0)
  7. Anna Hook


    (0) (0)
  8. Dedra D.

    Love this product. Hope you can someday expand your offering’s.

    (0) (0)
  9. Natalie M.

    Love this product

    (0) (0)
  10. Corina Bogdev

    I’ve had quite some abdominal pain

    (0) (1)
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*These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease.
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