Show Notes: https://www.jayfeldmanwellness.com/ep-119-vitamin-a-toxicity-examining-the-evidence-for-vitamin-a-deficiency
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In this episode we discuss:
-Whether vitamin A toxicity exists and is something you need to be worried about
-Whether Grant Genereux’s claims about vitamin A deficiency are valid
-Whether vitamin A is actually a poison rather than a vitamin
-What we think about the current state of the Ray Peat forum
-The research on vitamin A deficiencies and whether vitamin A deficiencies exist
0:00 – intro
1:09 – why we’re discussing vitamin A toxicity and Grant Genereux’s perspective
4:53 – closedmindedness within the “low vitamin A” sphere and how it compares to Ray Peat’s work
7:33 – how a low vitamin A diet can have benefits
9:27 – cautioning against the idea of “detox” as an excuse for negative effects and vitamin A toxicity as an unfalsifiable hypothesis
12:33 – the importance of evaluating information objectively while avoiding censorship, tribalism, fearmongering, and religiosity
21:17 – concerns with the current state of the Ray Peat Forum and how to recognize unsubstantiated claims
26:45 – Grant’s initial critiques of the original studies on vitamin A deficiency are extremely weak and unsubstantiated
41:48 – introducing Wolbach’s 1925 study on vitamin A deficiency
45:47 – refuting Grant’s argument that the retinoic acid in the vitamin-free casein would have caused toxicity
52:35 – refuting Grant’s argument regarding confounding variables in lard and butter
1:02:53 – research on vitamin A deficiency and whether vitamin A deficiencies exist
1:20:32 – the necessity of vitamin A for pregnancy, fetal growth, and development
To take a look at the studies and articles referenced throughout this episode, check out the show notes at https://www.jayfeldmanwellness.com/ep-119-vitamin-a-toxicity-examining-the-evidence-for-vitamin-a-deficiency
Disclaimer: This podcast is for general informational purposes only and does not constitute the practice of medicine, nursing, or other professional healthcare services, including the giving of medical advice. No doctor-patient relationship is formed. The use of this information and the materials linked to this podcast is at the user’s own risk. The content on this podcast is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Users should not disregard or delay in obtaining medical advice for any medical condition they have, and they should seek the assistance of their healthcare professionals for any such conditions.
