L-OptiZinc is the only high-potency zinc supplement FDA approved safe for human nutrition. L-OptiZinc is also an approved form of zinc for use in the EU in food supplements. In general, zinc is an essential mineral involved in regulating a large amount of enzymes in the body. It is known as an antioxidant and immune boosting supplement, and is most commonly supplemented to reduce the frequency of sickness and to support optimal testosterone levels. Zinc is highly involved in many enzyme systems in the body. Keeping normal zinc levels helps with the maintenance of these enzyme systems and acts as a hormonal and immune system aid. High dose zinc in response to the common cold (not taken preventatively, but only at the onset of sickness) appears to be effective in reducing the duration and severity of sickness. Zinc is also known to be circulating at lower levels in persons with acne relative to those without, and it is thought to be therapeutic by reducing the migration of immune cells to the skin and possibly reducing the effects of androgens on the skin. A number of trials using zinc for acne control note that standard to high supplemental dosages have a modest protective effect. L-OptiZinc is a forms of methionine-bound zinc that increase the bioavailability of zinc. Methionine is the amino acid best absorbed by the body. L-OptiZinc is standardized to 20% zinc, consists of zinc bound to the more bioavailable "L" form of methionine. Some preclinical studies show that L-OptiZinc is absorbed better, retained longer and are more effective than other zinc supplements tested. Taking everything into account, I highly recommend this high quality product manufactured by Now Foods with reasonable price offered by iHerb. A single dose per day is what you need. I hope you'll find my review helpful to you. I am a strong advocate on scientific medical research and evidence-based information, and constantly want to differentiate between marketing hyperbole and real world effects. If you like my review, please kindly click ‘Yes’. And also, please feel free to check out my page for more reviews by clicking my name 3827GreenWood at the top of this review. Best wishes and good health to everyone!
Posted by snowfitness1 on Nov 27, 2008 | Verified Purchase
Doesn't seem to help my skin or my dogs-and that's what I bought it for
Posted by frivolousgirl on Oct 10, 2017 | Verified Purchase
I picked these up as they contained copper. It's still weird how many companies sell zinc supplements without copper, knowing that too much zinc can alter the zinc-copper ratio :/ Either way, I took these to help with my hormones and acne, and after taking these regularly, I didn't notice any benefits results. Either I wasn't absorbing them, or I don't know. Will not purchase again though.
Posted by iHerb Customer on Oct 14, 2013 | Verified Purchase
Al principio mejoró el acné pero por poco tiempo.
Posted by iHerb Customer on Sep 26, 2017 | Verified Purchase
Our local research and use of this pill with local biohackers community tells that OptiZinc does not increase zink much. It did not even rise the level to norm. I recommend to try Zinc Glycinate. Which is much more bioavailable. NB! Thing to note: copper, iron and calcium inhibit zink availability! B9 (folic acid, methyl folate) too. But B12 (methylcobalamin) actually helps to "digest" zink. "Дискoнтный талон латиницей на минус пять процентов: хэ кью бэ четыре восемь один." ? Was this review helpful to you?
Posted by iHerb Customer on Apr 08, 2016 | Verified Purchase
I found the product quite good. I am using it for about a month. In case of any significant benefit, i will give my comment. Delivery was on time.
Posted by iHerb Customer on Jan 01, 2015 | Verified Purchase
Took one capsule every day for about a week, and didn't notice anything before the last three days, then I got abnormal stomach aches, and even though I immediately stopped taking them it still hurt for about a week before it completely went away. I will still try and use them, but maybe only one capsule per month or so.
Posted by TSTmalaysia on Jun 14, 2012 | Verified Purchase
I bought this for my son who has allergic rhinitis,,but I think I will try other product
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