Brain fog & memory
Check what applies to you and the best-matched supplements move to the top.
Nothing checked yetDefault order, by strength of evidence.
Bottom line
For brain fog & memory, start with Omega-3, Ginkgo biloba extract, Choline (Alpha-GPC, citicoline). The first one to look at is Omega-3 — 1,000 mg of EPA+DHA a day, 2,000 mg for a stronger approach; Right after a meal. If you take 2+ capsules, split them.
Supplements ranked for this concern
AWell researchedBSome evidenceCLimited evidence
| # | Supplement | Evidence | When | How much | Caution | |
|---|---|---|---|---|---|---|
| 1 | Omega-3Matches your checks DHA is a building block of brain cell membranes. It's one of the few brain supplements with some evidence, so it's a basic pick. |
A | Right after a meal. If you take 2+ capsules, split them. | 1,000 mg of EPA+DHA a day, 2,000 mg for a stronger approach | If you take a blood thinner or get dizziness or nosebleeds, talk to your doctor. | Compare products |
| 2 | Ginkgo biloba extractMatches your checks Supports blood flow to the brain. Often used when forgetfulness comes with ringing in the ears or dizziness. |
B | Steadily, as directed on the product | As directed on the label (choose a standardized product) | It thins the blood, so avoid it if you take a blood thinner or aspirin. | Details |
| 3 | Choline (Alpha-GPC, citicoline)Matches your checks A raw material for acetylcholine, the brain chemical behind memory. Added after 50, when memory decline is more noticeable. |
B | Every day, steadily | As directed on the label | Rarely causes headaches or mood changes. | Details |
| 4 | B-complex vitaminsMatches your checks Low B1 or B12 can weaken memory. Products with a form of B1 that reaches the brain well (fursultiamine) are popular. |
B | After breakfast or lunch (at night it can disturb sleep) | 1 capsule of a product with 20–50 mg of each main B vitamin (total B6 100 mg or less) | If you have gout, avoid products with high-dose B3 (niacin). | Compare products |
| 5 | Magnesium (L-threonate)Matches your checks Studies suggest the threonate form, which reaches the brain well, may help memory. It also supports stress and sleep. |
C | After dinner | 1,500–2,000 mg a day as magnesium L-threonate (compound weight) | Threonate is for adults. If you have kidney disease, talk to your doctor first. | Compare products |
| 6 | Phosphatidylserine (PS)Matches your checks A building block of brain cell membranes used for memory, but the more it's studied the less clear the benefit looks. Add it after the basics. |
C | Every day, steadily, rather than at a set time | As directed on the label | If you take dementia medicine, talk to the doctor who prescribed it. | Details |
| 7 | CurcuminMatches your checks Being studied for protecting brain blood vessels through anti-inflammatory and antioxidant action. Sometimes added when there's a family history of dementia. |
C | After meals, split between morning and evening | An enhanced-absorption form (for the brain, e.g. Longvida) at the label amount, up to 1 g a day | If you take a blood thinner or have gallstones or liver disease, talk to your doctor first. | Compare products |
Medications to watch out for
If you take any medication, talk to your doctor or pharmacist before starting.
Blood thinners such as warfarin (Coumadin) and aspirinGinkgo · Omega-3 · CurcuminMay raise bleeding risk. Avoid ginkgo, and talk to your doctor about the others.
Blood pressure medicineOmega-3 · Ginkgo · MagnesiumBlood pressure may drop further and make you dizzy.
Dementia drugs such as donepezil (Aricept) and anticholinergicsPhosphatidylserineIt may affect choline-related action. Talk to the doctor who prescribed them.
Some psychiatric medicinesGinkgo · Curcumin (products with piperine)The drug's effect may get stronger or the way it's broken down may change. Talk to your doctor.
Diabetes drugsCurcuminBlood sugar may drop too low. Be especially careful if your medicine is being adjusted.
Before supplements: daily habits
- 01If your focus dropped suddenly, check first for low iron or low vitamin D.
- 02Often, just fixing sleep and stress makes your head feel clearer.
- 03A diet built around extra virgin olive oil and fish is good for the blood vessels in your brain.
- 04It's hard to tell for yourself if a memory supplement works. Set a trial period of a few months, then decide.
- 05Don't stack several circulation ingredients (ginkgo, omega-3, curcumin) at once.
Product comparison
| Product | Form | Per serving | Count | Cost per day | |
|---|---|---|---|---|---|
| Burp Less Ultra Omega-3 from Fish Oil 1400 mgBest value Nature Made |
EE (ethyl ester), enteric-coated | 935 mg | 90 | Low | Amazon → |
| Triple Strength Omega-3 950 mg Solgar |
EE (ethyl ester) | 882 mg | 100 | Low | Amazon → |
| Triple Strength Omega-3 Fish Oil 2400 mg, Lemon Nature's Branch |
Form not listed, lemon flavor | 1440 mg | 180 | Low | Amazon → |
| Extra-Strength Omega-3 Fish Oil 1000 mg + Vitamin E, Lemon NatureWise |
EE (ethyl ester), lemon flavor | 1000 mg | 60 | Low | Amazon → |
| Triple Strength Omega-3 Fish Oil 1250 mg (Wild Alaska Pollock) Sports Research |
rTG (re-esterified triglyceride) | 950 mg | 90 | Average | Amazon → |
| Triple Strength Omega-3 Fish Oil 2000 mg Dr. Tobias |
Form not listed, enteric-coated | 1400 mg | 180 | Average | Amazon → |
| Burp Less Omega-3 Fish Oil 1400 mg Minis Nature Made |
EE (ethyl ester), mini softgels | 930 mg | 60 | Average | Amazon → |
| Triple Strength Omega-3 Fish Oil 3000 mg, Lemon BioSchwartz |
Form not listed, lemon flavor | 2100 mg | 90 | Average | Amazon → |
Compare all Omega-3 products →
| Product | Form | Per serving | Count | Cost per day | |
|---|---|---|---|---|---|
| Vitamin B12 (Methylcobalamin) 2000 mcgBest value Nutricost |
Methylcobalamin (active) capsule | 1 capsule: B12 2,000 mcg | 240 | Low | Amazon → |
| Methyl B-12 1000 mcg Lozenges NOW Foods |
Methylcobalamin (active), dissolvable lozenge | 1 lozenge: B12 1,000 mcg (label 1–2) | 100 | Low | Amazon → |
| High Potency Vitamin B Complex 462mg Nutricost |
Regular B vitamins + methyl B12 | 1 capsule: B1 60, B2 75, B6 50 mg, B12 1,000 mcg | 120 | Low | Amazon → |
| Super B Vitamin B Complex Sustained Release Bronson |
Regular B vitamins, time-release tablet | 1 tablet: B1, B2, B6 50 mg each | 60 | Average | Amazon → |
| Coenzyme B-Complex with Methylfolate and B12 Country Life |
Coenzyme (active) B1, B2, B6 + methyl and adenosyl B12 | 1 capsule: B1, B2, B6 25 mg each, B12 250 mcg (label 1–2 capsules) | 240 | Average | Amazon → |
| Active B-Complex with Methylfolate Integrative Therapeutics |
Active B2, B6, folate (Quatrefolic), B12 (methyl) | 1 capsule: B1, B2, B6 25 mg each, B12 500 mcg (label 1–2 capsules) | 60 | Average | Amazon → |
| B-Complex Plus Pure Encapsulations |
Active B2, B6, folate (Metafolin), B12 (methyl) | 1 capsule: B1 100, B2 12.7, B6 16.7 mg (label 1–2 capsules) | 120 | High | Amazon → |
| High Strength Super B-Complex (Methylated & Active) Igennus |
Active B2, B6, folate (5-MTHF), B12 (methyl), time-release tablet | 2 tablets: B1 40, B2 28, B6 40 mg, B12 1,800 mcg | 180 | High | Amazon → |
Compare all B-complex vitamins products →
| Product | Form | Per serving | Count | Cost per day | |
|---|---|---|---|---|---|
| Magnesium Citrate 200 mg TabletsBest value NOW Foods |
Citrate | 400 mg | 250 | Low | Amazon → |
| Magnesium Bisglycinate Powder (Albion)Best value NOW Foods |
Bisglycinate powder (Albion) | 250 mg | 91 | Low | Amazon → |
| Magnesium Citrate Pure PowderBest value NOW Foods |
Citrate powder | 435 mg | 76 | Low | Amazon → |
| Natural CALM Magnesium Powder (Raspberry Lemon)Best value Natural Vitality |
Citrate (magnesium carbonate + citric acid, forms when mixed with water) | 325 mg | 100 | Low | Amazon → |
| Magnesium (Citrate) 100 mg Life Extension |
Citrate | 200 mg | 100 | Low | Amazon → |
| High Absorption Magnesium (Glycinate Lysinate Chelate) Doctor's Best |
Glycinate/lysinate chelate (Albion) | 200 mg | 240 | Low | Amazon → |
| Magnesium Citrate Veg Capsules NOW Foods |
Citrate | 400 mg | 240 | Low | Amazon → |
| Magnesium Glycinate 100 mg (Albion) NOW Foods |
Bisglycinate chelate (Albion) | 200 mg | 180 | Average | Amazon → |
Compare all Magnesium (L-threonate) products →
| Product | Form | Per serving | Count | Cost per day | |
|---|---|---|---|---|---|
| Super Bio-Curcumin 400 mg (BCM-95)Best value Life Extension |
BCM-95 curcumin capsules | 1 capsule: BCM-95 400 mg (about 380 mg curcuminoids) | 60 | Average | Amazon → |
| Curcumin Phytosome 500 mg Sustained Release (Meriva) Thorne |
Meriva (curcumin phytosome) sustained-release capsules | 2 capsules: Meriva 500 mg (250 mg per capsule) | 120 | High | Amazon → |
| Curcumin Phytosome 1,000 mg (Meriva) Thorne |
Meriva (curcumin phytosome) capsules | 2 capsules: Meriva 1,000 mg (500 mg per capsule) | 120 | High | Amazon → |
Compare all Curcumin products →
Cost per day is relative — compared with other products of the same supplement. Check Amazon for the current price. Some links are affiliate links.