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can you tell me about zinc dosage?

amount supplement

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5 replies to this topic

#1 ironfistx

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Posted 22 October 2018 - 01:38 AM


Here, every time I look at at zinc dosages they're like 50mg which I'm relatively sure is too much because every time I take that I develop tendonitis.  Fellows on this forum have suggested that it might be because of a copper deficiency.  Then I saw Zinc Balance, which is like 15mg of zinc and 1mg of copper, except as we learned in another thread, copper supplements are bad because they are inorganic.

 

So, I saw zinc picolinate, which is a lower dose.  Why?  Does the way it merges with picolinate give you a larger dose of zinc or something?  Why would this be the sole supplement that doesn't have such a gigantic dose?  For the people taking this, has it benefited you?



#2 tunt01

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Posted 22 October 2018 - 11:25 AM

I take zinc citrate 30 mg.  Chris Masterjohn recommends that formulation.



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#3 John250

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Posted 22 October 2018 - 07:18 PM

I use OptiZinc as I read it has the most bioavailability.

#4 Krell

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Posted 22 October 2018 - 09:03 PM

this recent study has some interesting comments on zinc formulation and dose:

 

https://www.scienced...70511095151.htm

 

Zinc acetate lozenges may increase the recovery rate from the common cold by three-fold Date: May 11, 2017 Source: University of Helsinki Summary: According to a meta-analysis of three randomized controlled trials, zinc acetate lozenges may increase the rate of recovery from the common cold three fold. On the fifth day, 70 percent of the zinc lozenge patients had recovered compared with 27 percent of the placebo patients.

According to a meta-analysis of three randomized controlled trials zinc acetate lozenges may increase the rate of recovery from the common cold three fold. On the fifth day, 70% of the zinc lozenge patients had recovered compared with 27% of the placebo patients.

 

The effect of zinc acetate lozenges was not modified by age, sex, race, allergy, smoking, or baseline common cold severity. Therefore the 3-fold increase in the recovery rate from common cold may be widely applicable. While some zinc lozenges have an unpleasant taste, the zinc acetate lozenges used in these three randomized trials did not suffer from such a problem.

 

The dose of zinc in the three studies was between 80 to 92 mg/day. Such doses are substantially higher than the recommended daily zinc intake in the USA, which is 11 mg/day for men and 8 mg/day for women. However, in certain other controlled studies, unrelated to the common cold, zinc has been administered in doses of 100 to 150 mg/day to patients for months with few adverse effects. Furthermore, 150 mg/day zinc is a standard treatment for Wilson's disease that requires treatment for the rest of a patient's life. Therefore, it seems highly unlikely that 80-92 mg/day of zinc for one to two weeks, starting very soon after the onset of the first cold symptoms, might lead to long-term adverse effects. None of the three analyzed zinc lozenge studies observed serious adverse effects of zinc.

 

Even though there is strong evidence that properly formulated zinc acetate lozenges can increase the rate of recovery from the common cold by 3 fold, many zinc lozenges on the market appear to have either too low doses of zinc or they contain substances that bind zinc ions, such as citric acid. Therefore, the findings of this meta-analysis should not be directly extrapolated to the wide variety of zinc lozenges on the current market.

 

Although the lead author, Dr. Harri Hemilä from the University of Helsinki, Finland, suggests that the optimal formulation of zinc lozenges and the best frequency of their administration should be further investigated, he also instructs common cold patients to test individually whether zinc lozenges are helpful for them: "given the strong evidence of efficacy and the low risk of adverse effects, common cold patients may already be encouraged to try zinc acetate lozenges not exceeding 100 mg of elemental zinc per day for treating their colds."

Story Source:

Materials provided by University of Helsinki. Note: Content may be edited for style and length.

Journal Reference:

  1. Harri Hemilä, James T. Fitzgerald, Edward J. Petrus, Ananda Prasad. Zinc Acetate Lozenges May Improve the Recovery Rate of Common Cold Patients: An Individual Patient Data Meta-Analysis. Open Forum Infectious Diseases, 2017; 4 (2) DOI: 10.1093/ofid/ofx059

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#5 Daniel Cooper

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Posted 23 October 2018 - 10:46 PM

Copper supplements are not bad because they are inorganic.  They are bad because it is a trace element in the diet and it is easy to get too much.

 

 

 

 


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#6 Galaxyshock

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Posted 25 October 2018 - 11:40 AM

Years ago I supplemented 90-120 mg zinc / day for acne treatment based on a study. Worked better than tetracycline but eventually I had to stop because I feared mineral imbalance.







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