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Ginkgo Biloba in Retina Clear: What It Is and What the Research Says

Leaf extract · Updated September 29, 2026

Retina Clear

A leaf extract studied for circulation, with a real blood-thinning caution.

Retina Clear

What it is

Ginkgo biloba is a leaf extract standardized to flavonoid glycosides and terpene lactones. It is among the most-studied herbs, mostly for memory and circulation.

What research says

A few small studies have looked at ginkgo and blood flow to the eye, mainly in glaucoma and in eye-vessel disease. Results are early and not strong enough to recommend it as an eye therapy. Large trials for memory in older adults have been mostly negative.

How Retina Clear uses it

Retina Clear includes ginkgo in its blend. The seller page itself notes that ginkgo may have mild blood-thinning effects and may interact with warfarin or aspirin, and we repeat that warning here in bold because it matters.

Cautions: Talk to your doctor before use if you take warfarin, aspirin, clopidogrel, other blood thinners, or if you have surgery coming up. Ginkgo may also cause headache or stomach upset, and it is generally avoided before procedures.

Quick answer

Is ginkgo safe with blood thinners?

Not automatically. Ginkgo may raise bleeding risk, so people on blood thinners should only use it with their prescriber's approval.

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