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Zinc Supplements - Clarification On Ray's Comment

Discussion in 'Zinc' started by Amazoniac, Oct 15, 2015.

  1. Zpol

    Zpol Member

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    Totally getting this one asap. The hair test too.

    Wish I knew then what I know now.

    I've tried to get fresh meat around here, no one sells it at the farmers market, and the nearest co-op is 2 hours away and even they have to process and package their meat. I think it's because of government regulations on selling raw meat. It's even illeagal here to sell raw milk. Im at a loss here. Can't even eat the fish from the nearby lake, it's polluted and full of invasive species.
    Really sad about this.

    Thank you!
     
  2. Waynish

    Waynish Member

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    Who has tried zinc carnosine?
     
  3. OP
    Amazoniac

    Amazoniac Member

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    Zinc, Metallothioneins and Longevity: Interrelationships with Nia...: Ingenta Connect

    "Taking into account the requirement of the two amino-terminal zinc finger motifs and the recently discovered third zinc-binding domain for PARP-1 activity [21] and the zinc availability in the structure of p53 protein [106], the role of zinc and niacin in the effects of genotoxic agents or in chronic stress conditions, as in ageing, becomes apparent. In this context, the combination of niacin and zinc treatment was reported to be more efficient than niacin alone, in inducing resistance against oxidative DNA damage in peripheral blood lymphocytes exposed to H2O2 [107]. Therefore, although niacin is crucial for NAD+ biosynthesis, many molecular mechanisms related to niacin are zinc-dependent, including PARP-1 and p53. Indeed, for the concepts expressed above for NAD+ and PARP-1 in centenarians, these exceptional individuals display satisfactory zinc ion bioavailability [44]."

    "The existence of an interplay between zinc and niacin metabolism was suggested many years ago by the increased urinary N'-methylnicotinamide and N'-methyl-2-pyridone-5-carboxamide following zinc supplementation in alcoholic patients with pellagra [110]. An interrelationship between zinc and niacin may be supported by preliminary recent findings showing zinc supplementation also capable of increasing NAD+ concentrations in vaccinated old people against influenza virus, compared with old subjects undergoing vaccination only (Table 2). This last finding addresses new area of investigations related to the possible modulation of niacin metabolism by zinc. Moreover, taking also into account that niacin may enhance zinc absorption and utilization [111], the combination of zinc and niacin may play a pivotal role in elderly."

    "The interrelationship between zinc and selenium has been recently investigated by Maret [85], who showed that in absence of selenium the chemical reaction involved in zinc release by MT is very low. In particular, the zinc/thiolate cluster of MT cannot be sufficiently oxidized by glutathion disulfide. In contrast, the release of zinc from MT occurs very rapidly following the addition of selenium compounds that have the capacity to form a catalytic selenol(ate) [85]. The mechanism of the reaction was suggested to proceed through an activated selenenyl sulphide (R-Se-S-G) intermediate which, in turn, oxidizes the zinc-thiolate cluster of MT to form R-Se-S-MT with the concomitant release of zinc during the oxidation [85,144]. Selenium compounds also catalyze the release of zinc from MT in peroxidation and thiol/disulfide-interchange reactions. In the presence of t-butylhydroperoxide, GPx catalyses MT oxidation with subsequent zinc release [19]. Therefore, the assessment of zinc ion bioavailability, MT and selenium concentrations could represent useful tools for studying the physiology of successful ageing. Indeed, a recent study shows that 84% of the 'healthy' nonagenarians/centenarians display zinc and selenium levels greater than those observed in the average elderly [131]. Moreover, healthy nonagenarians display a major zinc release by MT, good zinc ion availability [41,44] and satisfactory GPx activity [145]. These findings suggest that adequate zinc and selenium levels in the body are crucial in order to achieve healthy ageing and longevity. In this context, Girodon et al. [146] determined the effects for a long period (2 years) of daily supplementation with zinc (20 mg) plus selenium (100 mcg) on immunity and the incidence of infections in a large number of institutionalized old people over 65 yrs. The main results of the study were: 1) selenium deficient patients decreased from about 80% to 5-10% in the selenium supplemented group after 6 months of supplementation compared with the placebo group; 2) antibody titres after influenza vaccination were higher in groups that received trace elements; 3) trace element supplemented patients had an increased chance to remain free from respiratory tract infections compared with the placebo group. These findings suggest that low doses of zinc and selenium provide significant improvement in elderly patients by increasing the humoral response after vaccination and decreased influenza complications (respiratory tract infections), thus possibly contributing to the achievement of an extended health span."
     
  4. Bart1

    Bart1 Member

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    Does having white spots on nails imply a zinc deficiency?
     
  5. tara

    tara Member

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    I'd heard that. I've since heard that other minerals can also be relevant, especially magnesium, and maybe calcium.
    I've had a lot of them. When I supplement magnesium and calcium daily, and zinc at least weekly (small dose), I seem to be able to clear them. I don't think Zn alone did it, and less regular Mg didn't do it either.
     
  6. Bart1

    Bart1 Member

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    Thanks Tara, how do you supplement withcalcium and magnesium. Isn’t a diet with cheese egg and milk enough? Magnesium oil and regular epsom salt baths?
     
  7. tara

    tara Member

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    Milk and cheese don't agree with me.
    It would be better to get enough zinc from food. The best food source is oysters. I eat beef and lamb regularly, but oysters are less accessible.
    I eat and drink the broth from greens, and I eat fruit.
    These are observations for me personally. The food was not enough for me.
    I supplement calcium carbonate (oyster shell powder) and magnesium carbonate, both for about 400mg Ca/Mg. Less than 20 mg picolinate (may not be best version)/week seemed to keep spots off nails in combo with the Mg and Ca.
     
  8. tara

    tara Member

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    + Magnesium oil/Mg chloride topically extra for occasional acute need.
     
  9. Bart1

    Bart1 Member

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    In the past I have taken zinc together with copper (jarrow formulas) daily and this has worked well to get rid of the spots and more solud nails and hair. I’m a bit hesitant now because I read on the forum about the dangers of zinc supplements. I thought I read somewhere that low dose zinc and selenium enhance each others uptake. But you don’t supplement selenium?
     
  10. tara

    tara Member

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    I don't currently, but I have wondered if I should. Low selenium soils. I do eat fish or shellfish at least once or twice a week, and occasional seaweed.
     
  11. Dave Clark

    Dave Clark Member

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    I have used it, and I do rotate it in every now in then, mostly for stomach issues that it is great for, however, I don't believe this is a good form for acquiring whole body zinc sufficiency, since the zinc in it gets tied up in the stomach, from what I have read.
     
  12. OP
    Amazoniac

    Amazoniac Member

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    It slammed shut when I read this:

    Zinc and gastrointestinal disease

    "[..]the body has no cell/tissue zinc stores (unlike, e.g., iron or calcium) therefore its daily zinc needs are heavily dependent on satisfactory daily zinc intake and at least short-term states of zinc deficiency could be quite likely[20]."​

    And then I had to find more information about it..

    Zinc in Human Biology (978-1-4471-3879-2) - Colin F. Mills

    upload_2018-12-1_12-26-22.png

    upload_2018-12-1_12-26-31.png
     
  13. Nighteyes

    Nighteyes Member

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    This was very interesting - thank you! Really stück a cord with me. A close member of the family has been vegetarian and had very low intake of zinc for a long time. She is extremely thin and developing osteoporosis.. not saying it is causative but interesting nontheless. She also chronically undereats as it “doesnt digest well when she eats more”
     
  14. Astolfo

    Astolfo Member

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    Hi. I couldn’t read the all topic, excuse me for my English..

    Can I take zinc sulfate for a while? For about 1 month.

    I only have access to zinc picolinate(solgar) other than sulfate. Oysters are very expensive in my country so I have no chance other than these two.

    Also, how many miligram would be fine for me(16 yo)?
     
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