CuratedFit
CURATEDFIT SUMMARY
Passes because this is a single-ingredient Ginkgo biloba leaf extract, standardized to 24% flavone glycosides and 6% terpene lactones, matching the constituent profile most consistently used in the clinical research on this ingredient's role in cerebral blood flow. The extract is a 50:1 concentration, and the manufacturer states it's prepared without toxic extracting solvents. Excipients are limited to standard tableting agents, fully disclosed.
WHAT IT IS
A tablet providing 60 mg of Ginkgo biloba leaf extract at a 50:1 concentration ratio, standardized to 24% flavone glycosides and 6% terpene lactones. A standard daily serving of two tablets delivers 120 mg total, in line with commonly researched dosing for this ingredient.
WHO IT IS FOR
Someone specifically targeting the cerebral blood flow and circulation mechanism behind mental clarity and focus, distinct from the other mechanisms covered elsewhere in the Focus basket (acetylcholine, memory under stress, nerve growth, cortisol, calm alertness).
INGREDIENT BREAKDOWN
Ginkgo biloba Leaf Extract (50:1, std. to 24% flavone glycosides, 6% terpene lactones)
60 mg / tablet
Standardized botanical extract, dual marker. A biologically sourced botanical extract, standardized against the two marker compound classes most referenced in the research behind Ginkgo's effect on cerebral circulation. The manufacturer states the extract is prepared without toxic extracting solvents, a relevant transparency point for a botanical extraction process.
Other ingredients
Microcrystalline Cellulose, Dibasic Calcium Phosphate, Stearic Acid, Colloidal Silicon Dioxide, Modified Cellulose Gum, Magnesium Stearate
CERIFICATIONS
Informed Sport
Not Confirmed
Banned substance tested
Not Confirmed
GMP Certified
Not Confirmed
Heavy metals tested
Not Confirmed
BRCGS
Not Confirmed
FSSC 22000
Not Confirmed
CURATEDFIT STANDARD CHECK
Pass
As Natural As Possible
A biologically sourced botanical extract, prepared, per the manufacturer, without toxic extracting solvents.
Info
Contains What It Claims
No independent lab verification of the 24%/6% standardization was found. Manufacturer stated.
Pass
Every Ingredient Earns Its Place
All other ingredients are standard, disclosed tableting agents (binders, anti-caking agents), nothing undisclosed.
Pass
No Insect-Derived Ingredients
Plant-derived.
Pass
No Proprietary Blends
Single active ingredient, exact milligram figure and dual standardization disclosed.
Info
Allergen Declaration
No explicit allergen statement found beyond the ingredient list.
Pass
Sugar Content Declared
No sugar present.
Pass
Artificial Sweeteners and Flavorings
None present.
Info
Heavy Metals and Contaminants
Not disclosed on the page reviewed.
Info
Banned Substance Risk Declared
No specific anti-doping certification found; Ginkgo is not generally a substance of concern in tested sport contexts, but this hasn't been independently confirmed for this product.
Pass
Country of Manufacture Noted
A single botanical extract, not a banned substance.
TRANSPARENCY NOTE
The 24% flavone glycosides / 6% terpene lactones standardization matches the profile most consistently used across the clinical research behind Ginkgo biloba's effect on cerebral blood flow, rather than an arbitrary or unspecified extraction ratio. At 120 mg total daily (two 60 mg tablets), the dose sits within the range commonly used in that research. Worth noting Ginkgo carries a caution around blood-thinning medications, standard for this ingredient and worth flagging to anyone on anticoagulant therapy.
FREQUENTLY ASKED QUESTIONS
Why does this matter for focus and brain fog specifically?
Ginkgo's most consistently studied mechanism is supporting cerebral blood flow, distinct from the acetylcholine, memory, and nerve-growth mechanisms covered by other products in this basket. It's a circulation-focused entry, not a memory or nerve-growth one.
Is this a direct swap for a previous Ginkgo pick?
Yes. This replaces an equivalent Doctor's Best product that's no longer available through the same channel. The standardization (24%/6%) is identical, so the mechanism coverage doesn't change.
Has this been tested for heavy metals or contaminants?
Not confirmed via any of the six specific certifications this review checks.
Where is this manufactured?
Not confirmed on the page reviewed.
Last reviewed:
8/8/26
Planetary Herbals Ginkgo OptiMem 60 product listing (herbsdirect.com), including manufacturer stated supplement facts panel.
Sources:
Last updated:
8/8/26
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