vitamin a

  1. Amazoniac

    "In Deficiency Of Vitamin E, The Vitamin A Reserves Of The Liver May Be Much Reduced"

    Ray Peat Email Exchanges - Ray Peat Forum Wiki The effect of vitamin E deficiency on the vitamin A reserves of the rat -- Out of curiosity: Test Data - Green Pasture (suggested serving size) Currently unavailable since sep/15. :ss
  2. S

    Vitamin E - European Sources

    For some reason, all of the high concentration (95%) mixed tocopherol vitamin e oil is sold in the USA. I could find more than 10 different US based sources selling "natural mixed tocopherol 95%" and not a single EU based one. Which makes me wonder if there is some kind of EU regulation that...
    • squanch
    • Thread
    • europe supplemental supplier vitamin a
    • Replies: 9
    • Forum: E
  3. m_arch

    Accutane And Vitamin A: The Cycle - Tips Or Pointers

    As a teenager I underwent two rounds of Roaccutane (otherwise known as accutane or Isotretinoin), a synthetic form of vitamin A. Awhile ago I read online of a study mentioning the long term effects of accutane is increased vitamin A demand of the body - even after treatment, however I haven't...
    • m_arch
    • Thread
    • accutane health isotretinoin vitamin a
    • Replies: 5
    • Forum: Health
  4. haidut

    Vitamin A (retinol) Is Endotoxin (LPS / TLR4) Antagonist

    Another one in the series of endotoxin antagonism featuring so far vitamins D and B2. Vitamin B2 (riboflavin) Is Endotoxin Antagonist Vitamin B2 Remarkably Effective Against Endotoxin, Sepsis, And Other Bacterial Infections Vitamin D Is Endotoxin (LPS / TLR4) Antagonist, May Treat LPS-linked...
    • haidut
    • Thread
    • antagonist endotoxin fibrosis inflammation lps retinol tlr4 vitamin a
    • Replies: 19
    • Forum: Scientific Studies
  5. P

    The Effects Of Vitamin A Compounds On Hyaluronic Acid Released From Cultured Rabbit Corneal Epitheli

    The effects of vitamin A compounds on hyaluronic acid released from cultured rabbit corneal epithelial cells and keratocytes. - PubMed - NCBI A role of vitamin A in the synthesis of hyaluronic acid by skin cells is well known. Hyaluronic acid is produced by corneal epithelial cells and...
  6. Amazoniac

    Vitamin A And (Auto)immunity

    August 2010 Focus - Vitamin A: The Key to a Tolerant Immune System?: Allergy Research Group "Vitamin A is the key to the gut making the right decisions. When you are deficient in vitamin A, you veer towards a type of effector T cell called TH17 and its production of IL-17—a proinflammatory...
  7. C

    I've Been Taking 50-100k IU Retinol A Day For 3 Years

    Am I killing myself? I take 0.5 once of liver a day and supplement with retinol pills from fish liver, usually around 50-100k. I need to take it otherwise I get acne and I hate acne. Pretty much only way to not get acne while not taking it is to avoid all dairy and starches. I think I feel...
    • cout12
    • Thread
    • supplemental vitamin a
    • Replies: 14
    • Forum: A
  8. S

    Vitamin A Forms Gradients In Embryo And Conveys Information Across Long Distances

    http://www.nature.com/nature/journal/v496/n7445/full/nature12037.html Complex Regulation of cyp26a1 Creates a Robust Retinoic Acid Gradient in the Zebrafish Embryo Retinoic acid is a signaling molecule that plays an important role in the development of the brain in animal embryos. It forms a...
  9. tyler

    Should I Worry About The Bioavailabilty Of Vitamin A On A Low-fat Diet?

    Hello guys and gals! I have a concern- I'm wondering if my intake of oral Vitamin A is useless if I follow a low-fat diet? I am typically eating from 15-20g of fat per day. How much fat is needed for absorption when ingesting Vitamin A? Is the saturated fat that your body creates from...
    • tyler
    • Thread
    • supplemental vitamin a
    • Replies: 8
    • Forum: A
  10. Amazoniac

    Partners In Defense, Vitamins E And C

    Legends of Kyrandia, a study done to explore the interaction of vits E and C Partners in defense, vitamin E and vitamin C. - PubMed - NCBI "To differentiate the role of cyclooxygenase and lipoxygenase in this AA-induced tocopherol oxidation, we conducted experiments in which platelet...
  11. Koveras

    Clarification Needed On Vitamin A And Metabolism

    From: Sign In "We recently identified PKCδ as a key component of a mitochondrial feedback loop that regulates acetyl-coenzyme A (CoA) production from pyruvate. In this pathway, PKCδ acts simultaneously as the sensor of the reduction potential of cytochrome c, reflective of the electron...
  12. michael94

    Does Vitamin E Deplete Vitamin A? Looking For Clarification

    Obviously the fat solubles need to be in some sort of balance, but I was looking specifically for a source on Vitamin E depleting Vitamin A or intefering with Vitamin A on some level that requires higher Vit A intakes. I couldn't find any sources/studies showing that so looking for a bit of...
    • michael94
    • Thread
    • supplemental vitamin a
    • Replies: 10
    • Forum: A
  13. D

    Vitamin A And E: Brands, Effects Noticed

    Which type of Vitamin E do you use? I've tried alpha tocopherol with mixed tocopherols, 400 IU in oil, and also "dry E" (tocopheryl succinate), and ironically they all seemed to increase a few estrogenic symptoms
  14. goodandevil

    Taurine Effective Against Hypervitaminosis A In Rats

    Abstract A study was undertaken to investigate the effect of taurine on the toxicity of vitamin A in male wistar rats. The rats were divided into six groups and fed different diets with or without supplements of 5% taurine and 25,000–50,000 (IU) vitamin A for 2 months. It was found that the body...
  15. goodandevil

    Effect Of Acute Hypervitaminosis A On Serum Concentrations Of Na, K, Mg, Fe, Zn And Cu In Rats]

    Arch Latinoam Nutr. 1987 Jun;37(2):305-11. [Effect of acute hypervitaminosis A on serum concentrations of Na, K, Mg, Fe, Zn and Cu in rats]. [Article in Spanish] Alarcón OM1, Burguera JL, Burguera M. Author information 1Departamento de Bioqímica, Facultad de Medicina, Universidad de Los Andes...
  16. milk_lover

    Why It Is A Good Idea To Take Olive Oil With Vitamin E And D3

    Ray Peat takes his vitamin E with olive oil. He rubs it on his wrists probably. He also applies vitamin D3 mixed in olive oil transdermally. This probably aids in the absorption of those fat-soluble vitamins. But maybe there is more to it. Most vitamin E supplements are derived from soya oil...
  17. Dan W

    Vitamin A And Sleep

    Some interesting ideas from Chris Masterjohn: http://www.westonaprice.org/our-blogs/cmasterjohn/vitamin-plays-essential-role-setting-circadian-rhythm-allowing-good-sleep/
  18. N

    How Much A Is Too Much?

    I'm not sure how to start a new thread, so I hope it's OK to ask a question about vitamin A here: How much A is too much? For over six months now, I've been taking over 250,000 IU of Pure Bulk's Vitamin A Palmitate. When I reduce my dose I get acne or get on the verge of getting a cold, and I...
    • naftaep
    • Thread
    • supplemental vitamin a
    • Replies: 25
    • Forum: A
  19. F

    What Benefits Have You Gotten From Vitamin A?

    Title says all. I'm interested in supplementing it for digestion issues, in particular, issues with starch / other prebiotics.
    • FredSonoma
    • Thread
    • supplemental vitamin a
    • Replies: 12
    • Forum: A
  20. A

    Why Do Some People Require Or Benefit From Huge Amounts Of Vitamin A?

    I'm having a lot of success with vitamin A very rapidly... My dry acneic skin is glowing and clearing up, my allergy to perfume is disappearing , I feel calmer and can see an increase in progesterone from some signs i recognize having taken progest-e with success in the past. Small doses...
    • artist
    • Thread
    • supplemental vitamin a
    • Replies: 4
    • Forum: A
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