| Type | An essential mineral |
|---|---|
| On the Retina Clear label | 11 mg (100% DV) |
| Strength of evidence | The NIH studies used 80 mg of zinc, with copper. |
| Ask a professional first if | You take antibiotics or other products that contain zinc |
Your retina holds a lot of zinc. Enzymes in the eye need it to work.
Retina ClearThe volunteers in the eye studies took 80 mg a day. Health authorities set the adult upper limit at 40 mg. This capsule has 11 mg, which is an everyday amount.
Retina ClearVery high zinc over a long time can push your copper too low. That is why many eye formulas add a little copper.
On the Retina Clear label: 11 mg (100% DV). Weigh that against the amounts used in research before deciding whether the capsule suits your goals.
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Request the full blend breakdown, get the guarantee length in writing and keep your eye exams on the calendar. With those three done, the choice is yours.