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Fernblock
A fern extract taken by mouth, sold for sun protection. Studied mainly for how much UV it takes to burn the skin.
What it’s good for
Fernblock for Sunburn & Sun Sensitivity
Not verified5 studies · 4 supporting · 1 against
Dose: 480 mg
Why we could not verify it: We found 5 studies behind this. We have not finished reading them yet, so we are not ready to say either way.
Fernblock for Poor Memory
Not verified1 study · 1 supporting · 0 against
Dose: 360–720 mg
Tested as: Anapsos, a fern extract. Capsules. Two set doses were tried.
Why we could not verify it: We found 1 study on this. We have not finished reading them yet, so we are not ready to say either way.
Fernblock for Frequent Colds
Not verified1 study · 1 supporting · 0 against
Dose: 960 mg
Tested as: Polypodium leucotomos extract. A 480 mg capsule, twice a day.
Why we could not verify it: We found 1 study on this. We have not finished reading them yet, so we are not ready to say either way.