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Ingredients/Compound/Egb 761

Egb 761.

Read pending.Egb 761 is in the library; the clinical read is in the queue.

Research-backed compound with potential health benefits. Improves blood flow to the brain and extremities. Used to support memory in older adults, and may help with tinnitus and vertigo.

120 to 240mgDaily amount1,499Studies read

Reviewed March 2026

EGCompound
Egb 761IngredientMD
Category
Compound

What Egb 761 is, and what it does.

Does it work
Maybe. If you're over 60 with mild memory concerns, the evidence is reasonable. For young biohackers? Probably not. For tinnitus? It's one of the few things with any research at all.
How much to take
120mg to 240mg daily. Most studies split this into two doses, taken with meals to reduce stomach upset.
Time to feel it
Give it 8 to 12 weeks of daily use. That is the timescale the memory and circulation studies ran on, and the change is gradual rather than something you catch in week one.
The first dose
Nothing. Seriously. Don't expect any changes for at least a month. It needs time to work on circulation.
With regular use
After 2-3 months is when you might notice benefits. For some, that's slightly better recall. For others, a mild reduction in dizziness or tinnitus.
How well tolerated
The blood-thinning effect is the main concern. Avoid if you have bleeding disorders or are on blood thinners unless your doctor says it's okay. Otherwise, generally well-tolerated.
How it feels
You don't 'feel' it. It's not a stimulant or a calming agent. It's more about noticing fewer 'senior moments' or less bothersome ear-ringing over several months.
The overlooked benefit
The step that strips ginkgolic acids to a few parts per million is what separates this standardised 24/6 extract from ground leaf, keeping the sensitising alkylphenols out.

120 to 240mg a day is where Egb 761 works.

How much to take a dayHigh confidence
120 to 240mg
Daily maintenanceThe everyday amount, and where most daily supplements sit. This is the one you take month after month.
360mgClinical territory. Trials run high on purpose, for a set number of weeks, against one measured outcome. Impressive to hit, and not what a daily product is for.
Above 600mgPast what the research covers. More capsules rather than more effect.
MORE EFFECT ↑0240mg360mg plateauDAILY DOSE →
The shaded band is where the dosing trials landed.

Source: GuidAge study, Lancet Neurol, 2012; multiple Cochrane reviews

The proof, claim by claim.

These words describe the research, not the molecule's worth. Research strength is how much work stands behind one claim, and it is never a product score.

Read pending.

Egb 761 is documented in the library; the clinical read is in the queue. Nothing about the strength of the research prints until the read is done.

  • Memory and recall in older adultsMeta-analysis
  • Peripheral blood flowRandomised trial
  • Ear noise perceptionMeta-analysis
  • Platelet-activating factor antagonism by ginkgolide BIn vitro study
  • Antioxidant activity of the flavone glycoside fractionIn vitro study
PubMedCochraneClinicalTrials.govNIH ODSSUPP.AI1,499 studies readLabs test. IngredientMD verifies.PubMedCochraneClinicalTrials.govNIH ODSSUPP.AI1,499 studies readLabs test. IngredientMD verifies.

Questions people ask about Egb 761.

Is this the same as any Ginkgo Biloba supplement?
No. EGb 761 is a specific, patented extract used in the majority of clinical studies. If the label just says 'Ginkgo,' you don't know what you're getting.
Will it make me smarter?
Unlikely if you're young and healthy. It's better studied for helping to slow age-related cognitive decline, not for boosting a healthy brain.
How long until it works?
Be patient. You're looking at a minimum of 4-8 weeks to see any potential effects on cognition or tinnitus.
Is it safe to take with my daily aspirin?
Ask your doctor. Combining two things that thin the blood increases bleeding risk. Don't guess on this one.
Does it really help with cold hands and feet?
Yes, for some people. It improves peripheral circulation, so it can help with conditions like Raynaud's phenomenon.
Pairs well with32 on file

Why these belong in the same formula. Each row says what the basis is, from settled biochemistry through to a trial that measured the pair.

Egb 761 + Ginkgolidesnamed constituent of the extract

EGb 761 is standardized to a set share of terpene lactones, of which ginkgolides A, B and C are the main part. Adding an isolated ginkgolide raises the same fraction the extract already declares.

Egb 761 + Nattokinaseadditive effect on normal clotting

Ginkgolide B is a platelet activating factor antagonist, so it acts on platelet aggregation, while nattokinase acts on fibrin. Combining them presses on two different points of normal clot formation at once.

Egb 761 + Fish Oiladditive effect on normal clotting

EPA shifts thromboxane production toward the less aggregatory series and mildly lengthens bleeding time, and ginkgolide B blocks platelet activating factor. The two effects on platelet behaviour add.

Egb 761 + Garlicadditive effect on normal clotting

Ajoene and related garlic sulfur compounds inhibit platelet aggregation through the fibrinogen receptor, a different step from platelet activating factor blockade. Stacked with ginkgo the platelet effects add.

Egb 761 + White Willow Barkadditive effect on normal clotting

Salicin is converted to salicylate, which shifts platelet eicosanoid output even though it does not acetylate cyclooxygenase the way aspirin does. Combined with a platelet activating factor antagonist the two act on the same aggregation step from different directions.

Egb 761 + Vitamin Eadditive effect on normal clotting

At high intakes tocopherol interferes with vitamin K dependent clotting factor activity and mildly reduces platelet aggregation. Stacking it with ginkgo terpene lactones makes the combined effect larger than either alone.

Egb 761 + Salvia Miltiorrhiza Rootadditive effect on normal clotting

Tanshinones and salvianolic acids act on platelet aggregation and blood flow, the same territory ginkgolides work in. Traditional circulation formulas that pair them should account for the combined effect.

Egb 761 + Gingeradditive effect on normal clotting

Gingerols inhibit thromboxane synthase at higher intakes, which lowers platelet aggregation. That adds to the platelet activating factor antagonism of the terpene lactone fraction.

Egb 761 + Serrapeptaseadditive effect on normal clotting

Systemic proteolytic enzymes act on fibrin and on circulating protein complexes while ginkgolides act on platelets. Formulas that combine them are pressing on two separate stages of normal clot formation.

Egb 761 + Alpha-GPCcholinergic precursor alongside flow support

Alpha-GPC supplies choline for acetylcholine synthesis, while the ginkgo extract acts on cerebral blood flow and platelet behaviour. The two work on separate parts of the same cognitive support picture.

Egb 761 + CDP-Choline (Citicoline)choline and phospholipid supply

Citicoline supplies both choline and cytidine for membrane phosphatidylcholine synthesis, a structural and neurotransmitter input distinct from the flavone and terpene lactone action of the extract.

Egb 761 + Huperzine Acholinergic tone

Huperzine A inhibits acetylcholinesterase and so extends the life of released acetylcholine, a mechanism the ginkgo extract does not touch. The pairing covers signalling and circulation separately.

Egb 761 + Bacopa Monniericomplementary cognitive support botanicals

Bacosides act on synaptic signalling and on antioxidant handling in nerve tissue over weeks of use, while the ginkgo extract acts more on blood flow and platelet activating factor. The two are combined for that separation of route.

Egb 761 + Vinpocetinecerebral blood flow plus additive platelet effect

Vinpocetine acts on cerebral vessel tone and on sodium channels, overlapping with the flow side of the ginkgo extract, and it also reduces platelet aggregation. The flow effects complement while the platelet effects add.

Egb 761 + QuercetinEstablished composition of the standardised extract

The flavone glycoside fraction of this extract hydrolyses to quercetin, kaempferol and isorhamnetin aglycones, so quercetin is already part of what the extract delivers. Adding isolated quercetin raises that same aglycone pool rather than introducing something new. Both also touch platelet behaviour, so the combined influence on normal clotting is worth noting on a label.

Egb 761 + RutinEstablished flavonol glycoside chemistry

Rutin is quercetin bound to a rutinose sugar and is hydrolysed to the same aglycone, which is exactly the class of glycoside this extract is standardised on. Stacking the two adds to the same flavonol load through a different starting molecule. Read the pairing as compositional rather than as a tested combination.

Egb 761 + Aged Garlic ExtractEstablished effects of both on platelet aggregation

Ginkgolide B antagonises platelet-activating factor and garlic constituents independently reduce platelet aggregation. Taken together the two push normal clotting in the same direction, which matters for anyone already on something that does the same. This is established pharmacology and needs no combination trial to state.

Egb 761 + Grape Seed ExtractEstablished antiplatelet activity of oligomeric proanthocyanidins

Proanthocyanidins reduce platelet aggregation in laboratory and human work, and this extract does the same through its terpene lactones. Stacked, the two act on normal clotting from different molecular starting points. Flag the additive direction rather than presenting it as a benefit.

Egb 761 + ResveratrolEstablished antiplatelet activity of stilbenes

Resveratrol inhibits platelet aggregation in human and laboratory studies, an effect that adds to the platelet-activating-factor antagonism of the ginkgolides. Two mild influences on the same normal process add up. Disclose the overlap.

Egb 761 + PycnogenolEstablished antiplatelet activity of pine bark proanthocyanidins

Pine bark proanthocyanidins have been reported to reduce platelet aggregation, and this extract acts on the same normal process by another route. The pair is common in circulation formulas. The additive direction is mechanistic and has not been quantified together.

Egb 761 + Krill OilEstablished effect of long-chain omega-3 on platelet function

EPA competes with arachidonic acid for cyclooxygenase and shifts eicosanoid output toward less aggregatory species. Combined with ginkgolide antagonism of platelet-activating factor, the influence on normal clotting compounds. State it plainly on any formula that carries both.

Egb 761 + Vitamin K2 (MK-7)Established clotting-factor biochemistry

Vitamin K2 is the cofactor for gamma-carboxylation of clotting factors and supports normal coagulation, while this extract nudges platelet behaviour the other way. The two act on different arms of the same normal process and do not cancel out in any simple fashion. The interaction is worth naming rather than assuming it balances.

Egb 761 + Curcumin (Turmeric)Established antiplatelet activity of curcuminoids

Curcuminoids reduce platelet aggregation in laboratory and small human work. Combined with a ginkgo extract the influence on normal clotting is additive rather than novel. Label the combination for what it is.

Egb 761 + BromelainEstablished fibrinolytic and antiplatelet activity

Bromelain influences fibrinogen handling and platelet aggregation, which overlaps with the ginkgolide contribution here. Circulation stacks often contain both. The additive direction is mechanistic and the pair has not been measured together.

Egb 761 + PhosphatidylserineFormulation convention in cognitive-support blends

Phosphatidylserine supplies a membrane phospholipid concentrated in neural tissue, while this extract is standardised on flavone glycosides and terpene lactones. They occupy different roles and are routinely combined in the same capsule. The pairing is formulation convention, not a measured interaction.

Egb 761 + Ginseng (Panax)Long-standing pairing studied in cognitive-performance work

Standardised ginkgo and standardised Panax ginseng have been combined in cognitive-performance research for decades, which is why the two appear together on so many labels. Each carries its own constituent profile and neither substitutes for the other. Ginseng also carries its own platelet caveat, so the clotting note applies to the pair.

Egb 761 + Rhodiola RoseaCommon pairing in cognitive and stress formulas

Rhodiola is standardised on rosavins and salidroside and is combined with ginkgo extracts in mental-performance blends. The two have distinct constituent classes and no shared assay. Regard the pairing as formulation practice.

Egb 761 + Acetyl-L-CarnitineShared mitochondrial fuel handling

Acetyl-L-carnitine supports mitochondrial fatty acid transport and supplies acetyl groups, while ginkgo flavonoids are studied in the context of mitochondrial function and blood flow. The two touch cellular energy supply from different angles. This is mechanistic and untested as a pair.

Egb 761 + Coenzyme Q10Shared mitochondrial electron handling

Coenzyme Q10 carries electrons within the respiratory chain and is itself a lipid-phase antioxidant. Ginkgo flavonoids act mostly in the aqueous phase. The pairing is a redox-compartment argument, not a tested combination.

Egb 761 + Vitamin CEstablished antioxidant recycling chemistry

Ascorbate reduces phenoxyl radicals formed after a flavonoid donates an electron, returning the flavonoid to its reduced form. That regeneration cycle is textbook antioxidant chemistry and applies to ginkgo flavonols as it does to others. It describes chemistry in solution, not a clinical result.

Egb 761 + Alpha-Lipoic AcidEstablished antioxidant network chemistry

Dihydrolipoic acid regenerates ascorbate and glutathione, which sit upstream of flavonoid recycling. That puts lipoic acid at a further remove in the same network. Read it as network chemistry rather than a measured pairing.

Egb 761 + L-ArginineShared influence on vascular tone

Arginine is the substrate nitric oxide synthase uses to make nitric oxide, the main endothelial vasodilator. Ginkgo flavonoids are studied in the context of endothelial function and blood flow. The overlap is mechanistic and the combination has not been measured.

Who should be cautious

Nothing specific on file for Egb 761. Match the label to the daily amount above, and tell your doctor what you take.

Not medical advice. Show the label to your pharmacist.

What Egb 761 actually does.

Established

EGb 761 is a defined acetone-water extract of Ginkgo biloba leaf standardised to about 24 percent flavone glycosides and about 6 percent terpene lactones, which is what separates it from an unspecified ginkgo powder.

Established

The terpene lactone fraction is made up of the ginkgolides A, B, C and J plus bilobalide, a group of cage-like terpenes found in no other commercial plant material.

Established

Ginkgolide B is a competitive antagonist at the platelet-activating factor receptor, which is the accepted molecular basis for the extract's influence on normal platelet behaviour.

Established

The flavone glycoside fraction consists mainly of quercetin, kaempferol and isorhamnetin bound to sugars; gut and hepatic enzymes hydrolyse them to the free aglycones before absorption.

Grown, 6 steps on record

Where Egb 761 comes from.

It comes from ginkgo tree leaves. The leaves are dried and soaked in a solvent that pulls out two different groups of plant compounds, the extract is cleaned to remove the parts that irritate skin, and it is then concentrated and tested so that every batch carries the same fixed percentages before it is pressed into tablets.

Made from a plant. What ends up in the capsule tracks the harvest, so batch testing and a stated marker matter more here than with a made molecule.

Starts as
Dried green Ginkgo biloba leaf

Leaves are collected from cultivated plantations before autumn yellowing and dried to a controlled moisture level.

Extracted by
Acetone-water extraction

Milled leaf is extracted with an acetone-water mix, chosen because it pulls both the flavonol glycosides and the far less polar terpene lactones.

Purified by
Removal of ginkgolic acids and inert matter

Liquid-liquid partition and adsorption steps strip the alkylphenol ginkgolic acids to a few parts per million and drop tannins and biflavones.

Converted by
Concentration to roughly fifty to one

Solvent is recovered and the extract is concentrated so that about fifty parts of dried leaf yield one part of extract.

Standardised to
Assay to 24 percent and 6 percent

HPLC assay sets the flavone glycoside content near 24 percent and the terpene lactone content near 6 percent, with ginkgolide and bilobalide fractions checked individually.

Ends up as
Tablet, capsule or oral solution

The dry extract is granulated and compressed, encapsulated, or dissolved into a liquid presentation.

The forms it comes in.

Ginkgo biloba extract 24/6Matches the two headline percentages but not necessarily the solvent, the ratio between individual ginkgolides or the ginkgolic acid limit.Fits Blends specified on the two assay figures alone.Trade-off Two products at 24/6 can differ in terpene distribution and residual alkylphenols.
Liquid standardised ginkgo extractThe same standardised extract carried in an alcohol or glycerin solution rather than compressed into a tablet.Fits Anyone who cannot swallow tablets, or dosing that needs to be split finely.Trade-off Solutions carry a solvent, have a shorter open-bottle life and need volumetric measuring.
What the strongest studies found

The essence, in one line each.

  1. In a network meta-analysis of healthy older adults, several plant extracts including ginkgo showed small improvements on cognitive test scores, with wide uncertainty around the estimates.Systematic review. Feng et al., 2025 (Frontiers in pharmacology). PMID 41640686
  2. Over several years of follow-up in older men and women, ginkgo biloba produced no detectable difference in blood pressure compared with placebo.Randomised trial. Brinkley et al., 2010 (American journal of hypertension). PMID 20168306
  3. A randomised placebo-controlled trial of EGb 761 that did not detect a difference in treadmill walking time; a failure to detect a difference is not evidence that none exists.Randomised trial. Gardner et al., 2008 (Journal of Cardiopulmonary Rehabilitation and Prevention). PMID 18628657
  4. A secondary analysis of a large randomised memory trial reporting no detected increase in new diagnoses among participants assigned ginkgo extract over follow-up.Randomised trial. Biggs et al., 2010 (Pharmacoepidemiology and Drug Safety). PMID 20582906
  5. Ginkgo extract was associated with fewer chromosomal damage markers in circulating lymphocytes after radioiodine exposure; micronucleus counts are a marker, not a clinical outcome.Randomised trial. Dardano et al., 2007 (Journal of Clinical Endocrinology and Metabolism). PMID 17711926
  6. In aged rats given reserpine, EGb 761 was reported to reduce low-mood behaviours alongside changes in monoamine handling; animal behavioural models do not carry over to people.Animal study. Ali et al., 2025 (Naunyn-Schmiedeberg's Archives of Pharmacology). PMID 40100376
  7. A systematic review of single-agent and combination approaches in older adults with cognitive decline that names EGb 761 among the agents reviewed.Systematic review. Knorz et al., 2022 (Journal of Geriatric Psychiatry and Neurology). PMID 34476990

These are the studies our verdict leans on, chosen from the 277 we read for Egb 761. The full linked list is below.

Primary evidence

The studies, linked.

3 sources behind our Egb 761 verdict: peer-reviewed studies and registered clinical trials. Every one links straight to PubMed, the journal, or ClinicalTrials.gov. Read them yourself.

  1. ClinicalTrials.gov
  2. ClinicalTrials.gov
  3. ClinicalTrials.gov

Evidence surfaced via Semantic Scholar (Allen Institute for AI) and ClinicalTrials.gov. Ranked by study type and citation weight, not cherry-picked.

FDA Disclaimer: These statements have not been evaluated by the Food and Drug Administration. This information is for educational purposes only and is not intended to diagnose, treat, cure, or prevent any disease. Consult your healthcare provider before starting any supplement regimen.