vitamin d

  1. haidut

    Vitamin D Inhibits The Deactivation Of Androgens

    Vitamin D is one of the most versatile substances in Peat world. It is actually a steroid and not a true vitamin, and as a steroid it is expected to have effects on other steroids. Its role in opposing estrogen, together with the other fat-soluble vitamins, is well-known. Now, this study shows...
    • haidut
    • Thread
    • androgen receptor androgens androsterone calcitriol deactivation dht glucuronidation inhibitor study vitamin d
    • Replies: 12
    • Forum: Scientific Studies
  2. B

    Vitamin D Really Toxic?

    Your thoughts on this? "Friend, As CEO of The People's Chemist.com, I'm both amazed and disgusted by how many people are being tested for vitamin D. Chemist, founder and author, Shane Ellison, wrote Over-The-Counter Natural Cures years ago to warn consumers. (As such, he is hated by the...
    • blob69
    • Thread
    • supplemental vitamin d
    • Replies: 65
    • Forum: D
  3. haidut

    Vitamin D Is Endotoxin (LPS / TLR4) Antagonist, May Treat LPS-linked Conditions

    The activation of TLR by various substances like endotoxin, ethanol / alcohol, opioids, SSRI, etc is involved in the pathogenesis of many conditions, especially IBD, colon cancer, periodontal disease, etc. There are very few effective endotoxin antagonists in clinical use, which is unfortunate...
    • haidut
    • Thread
    • antagonist calcitriol cancer cholecalciferol endotoxin fibrosis inflammation liver disease lps periodontal disease periodontitis tlr4 tnf vitamin d
    • Replies: 27
    • Forum: Scientific Studies
  4. P

    Newer Insights Into The Taurinuria Of Vitamin D Deficiency: A Review

    Newer Insights into the Taurinuria of Vitamin D Deficiency: A Review - Springer Excessive taurinuria occurs in vitamin D deficiency as a component of the generalized aminoaciduria of that state. Aminoaciduria was originally ascribed to hyperparathyroidism (increased PTH) in vitamin D-deficiency...
  5. haidut

    Vitamin K And D Reverse Muscle Aging, May Act Like Sports Doping Agents

    Vitamin D and K have a primary role in bone metabolism, together with calcium and the androgenic hormones. Ray has written about the importance of these vitamins not only for bone health but also for insulin sensitivity and accelerating deactivation of estrogen. Many of these beneficial effects...
    • haidut
    • Thread
    • aging bone cholecalciferol doping metabolism muscle osteocalcin vitamin d vitamin k vitamin k1 vitamin k2
    • Replies: 61
    • Forum: Scientific Studies
  6. P

    Vitamin D3 Transactivates The Zinc And Manganese Transporter SLC30A10 Via The Vitamin D Receptor

    Vitamin D3 transactivates the zinc and manganese transporter SLC30A10 via the Vitamin D receptor. - PubMed - NCBI Vitamin D3 regulates genes critical for human health and its deficiency is associated with an increased risk for osteoporosis, cancer, diabetes, multiple sclerosis, hypertension...
  7. haidut

    Vitamin D Is Dopaminergic And Decreases Obesity And Addiction Behaviors

    Over the last few years, I have posted studies on the forum showing that the vitamin E, A, and K all have dopaminergic activity that contributes to their positive effects on metabolism and health. This study discovered that vitamin D is another potent dopamine agonist, and that its dopaminergic...
    • haidut
    • Thread
    • addiction calcitriol dopamine dopaminergic obesity treatment vdr vitamin d
    • Replies: 25
    • Forum: Scientific Studies
  8. L

    Vitamin D And The Theory Of Human Hibernation

    Hi peatarians. I have looking for a forum like this all my life. I love health and nutrition and I KNEW the mainstream media was full of ***t. Thanks for everything. I would love to contribute something back for all of you. A subject that is not touch really in this forum and I think have a lot...
  9. Amazoniac

    Magnesium Deficiency, A Brief Review

    Beliebers, This review was written in a weird manner because I guess the guy had more freedom than what we would expect from a researcher in a published review. Nevertheless, I’m sharing because it has some interesting points that can direct people here to look for those subjects in more depth...
    • Amazoniac
    • Thread
    • deficiency iron iron-overload magnesium selenium supplemental thiamine vitamin b1 vitamin d
    • Replies: 63
    • Forum: Magnesium
  10. P

    LRP5 Controls Bone Formation By Inhibiting Serotonin Synthesis In The Duodenum

    LRP5 - Wikipedia im so interest to find any info on how increase Lrp5(it strongly inhibit gut serotonin release) , only thing i found that upregulates the synthesis of it is vitamin D, and also Cholesterol. but who knows, maybe serotonin lowering effect of salt works through this pathway...
    • paymanz
    • Thread
    • antiserotonin bone curcumin inflammation jnk lrp5 obesity osteoarthritis osteoporosis serotonin serotonin depletion study vitamin d
    • Replies: 4
    • Forum: Articles & Scientific Studies
  11. Amazoniac

    Milky Questions

    Is it possible to interfere with normal levels of vit D with too much calcium from dairy? In the same way that low calcium intake leads to low vit D, wouldn't high calcium intake have the same effect? Or the excess is just easily excreted? I assume it can also interfere with the absorption of...
  12. Mr Rossi

    Vitamin D - Irritable And Very Bad Mood

    I tried a lot of different Vitamin D supplements. At least Life Extensions Vitamin D3 drops 2000IU. I always get very bad mood and trouble with my girlfriend:nurse: I tried different doses, brands and forms. Always the same reaction. My doctor said it is a initial worsening and I must take it...
    • Mr Rossi
    • Thread
    • supplemental vitamin d
    • Replies: 9
    • Forum: D
  13. 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...
  14. haidut

    Vitamin D Reduces Cortisol In Humans By 40%

    No need to introduce the well-known vitamin and its role in pathologies like diabetes and even cancer. The interesting part is that the study was very short (only 14 days) and used not too high of a vitamin D does (2,000 IU daily). A key finding was the reduction in cortisol by over 40%, as well...
  15. sweetly

    Is Supplemental Vitamin D Safe? "RENAL POTASSIUM-WASTING INDUCED BY VITAMIN D"

    Study: RENAL POTASSIUM-WASTING INDUCED BY VITAMIN D RENAL POTASSIUM-WASTING INDUCED BY VITAMIN D :ninja
    • sweetly
    • Thread
    • supplemental vitamin d
    • Replies: 28
    • Forum: D
  16. N

    Vitamin D: A New Player In Non-alcoholic Fatty Liver Disease?

    We talk a lot on the forum about the liver, fatty liver, etc. Probably I've missed it, but I haven't seen a whole lot of discussion about the liver and vitamin D. I haven't finished reading this myself... Vitamin D: A new player in non-alcoholic fatty liver disease? Myrto Eliades and Elias...
  17. haidut

    Taurine Enhances Bioavailability Of Vitamins K, A, D, E

    The fat soluble vitamins are a great tool to help metabolism and improve overall health. However their oral usage is sometimes hindered by their requirements for ingestion of fat. In the case of vitamin K2 (MK-4) the fat requirement can be large (35g+) and thus inconvenient to implement while on...
    • haidut
    • Thread
    • bioavailability study taurine vitamin a vitamin d vitamin e vitamin k
    • Replies: 37
    • Forum: Scientific Studies
  18. S

    Panic and Vitamin D

    A couple of weeks ago I quit taking Vitamin D. I've had a really rough time since then. I had an interesting experience today. I left the house to run some errands and on my way down my street I got a sudden sense of panic, as if I might have a panic attack (I've had severe panic attacks, but...
    • Sheik
    • Thread
    • supplemental vitamin d
    • Replies: 3
    • Forum: D
  19. haidut

    Vitamin D intake guidelines underestimated by a factor of 10

    I don't know what Ray's specific guidelines on daily intake of vitamin D are, but I have seen him express opinion that 400 IU - 800 IU is likely too low to make a difference. This study claims that the current guidelines are underestimated by a factor of 10, so a person should really be...
  20. haidut

    Vitamin D Is As Bad In Excess As It Is In Deficiency

    The study said that vitamin D levels above 100nmol/L were associated with higher risk from CVD and stroke. I don't have access to the study so I don't know what the mortality was from in the low ranges. Presumably, the higher than optimal vitamin D levels probably caused arterial calcification...
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