Expert-formulated in the UK, refined since 2007.
Shop the rangeBrain supplements are food supplements that provide nutrients — such as B vitamins, zinc, iron, magnesium and omega-3 DHA — which contribute to normal cognitive and psychological function. They are not medicines: they cannot diagnose, treat or prevent any disease, and they work best alongside a balanced diet, good sleep and regular exercise. The evidence for individual ingredients varies, so the useful question is not “do brain supplements work?” but “which nutrients have a recognised role, and at what dose?”
Key takeaways
- Several nutrients have authorised UK health claims for cognitive or psychological function — including zinc, iron, iodine and the B vitamins (B6, B12, niacin, folate, pantothenic acid).
- Omega-3 DHA contributes to the maintenance of normal brain function at 250 mg per day.
- No supplement is a substitute for a balanced diet, sleep and exercise.
- Many marketed “brain-boosting” ingredients have promising but not authorised evidence — we label which is which below.
- BrainSmart formulas are made under GMP conditions and use vegetarian capsules.
- If you are pregnant, breastfeeding, taking medication or under medical supervision, speak to your doctor before use.
The BrainSmart range
BrainSmart Ultra
BrainSmart Mood
BrainSmart Memory
BrainSmart Focus
Bundles & specials
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How to choose a brain supplement
Match your goal to a formula. Each BrainSmart formula is built for a different everyday need:
| Your goal | BrainSmart formula | What it’s built around |
|---|---|---|
| Attention & mental clarity | Focus | formulated to support everyday concentration and mental clarity |
| Memory & recall support | Memory | B6, B12 and folate contribute to normal psychological function |
| Calm & emotional balance | Mood | magnesium, B6 and niacin contribute to normal psychological function; magnesium helps reduce tiredness and fatigue |
| All-round daily support | Ultra | a broad Cognicetam+ blend for all-round daily brain nutrition |
Which brain-supplement ingredients have the evidence?
UK regulators only authorise a cognitive or psychological claim for a nutrient when the evidence supports it, at a specific dose. Here is where the key ingredients stand:
| Nutrient | Authorised GB-register claim | Status |
|---|---|---|
| Zinc | “contributes to normal cognitive function” | ✓ Authorised |
| Iron | “contributes to normal cognitive function” | ✓ Authorised |
| Iodine | “contributes to normal cognitive function” | ✓ Authorised |
| Vitamin B6 | “contributes to normal psychological function” / “normal functioning of the nervous system” | ✓ Authorised |
| Vitamin B12 | “contributes to normal psychological function” / “normal functioning of the nervous system” | ✓ Authorised |
| Niacin (B3) | “contributes to normal psychological function” | ✓ Authorised |
| Folate | “contributes to normal psychological function” | ✓ Authorised |
| Pantothenic acid (B5) | “contributes to normal mental performance” | ✓ Authorised |
| Magnesium | “contributes to normal psychological function” + “reduction of tiredness and fatigue” | ✓ Authorised |
| Omega-3 DHA | “contributes to the maintenance of normal brain function” (at 250 mg per day) | ✓ Authorised |
| Ginkgo biloba | No authorised GB cognitive claim. Traditional herbal use; mixed trial evidence. | ⚠ Research only |
| Bacopa, 5-HTP, L-theanine, Lion’s Mane | No authorised GB cognitive claim. Emerging evidence only. | ⚠ Research only |
This table shows authorised claims for these nutrients in general. It is not a claim that any single BrainSmart product contains all of them — see each product page for its specific formula and amounts. Ingredients marked “research only” have no authorised UK health claim and are included for their traditional or nutritional role, not for a stated benefit.
Do brain supplements actually work?
The honest answer is: it depends on the nutrient. Where someone has low intake of a nutrient with a recognised role — for example zinc, iron or B12 — topping it up can help maintain normal cognitive and psychological function. For many heavily-marketed botanical “nootropics”, UK regulators have not authorised cognitive claims because the trial evidence is mixed or preliminary. BrainSmart’s approach is to anchor each formula on nutrients with recognised roles and to be transparent about the rest. For a deeper look, see our Complete Brain Supplement Buying Guide and Nootropics Explained.
Frequently asked questions
What are the best brain supplements?
“Best” depends on your goal and diet. Look for formulas built around nutrients with authorised UK claims for cognitive or psychological function — such as zinc, iron, B6, B12 and omega-3 DHA — at meaningful doses, made under GMP conditions, rather than long lists of un-evidenced botanicals.
Do brain supplements really work?
Some nutrients have a recognised role in normal cognitive and psychological function, especially where dietary intake is low. Many marketed botanicals have only preliminary evidence and no authorised UK health claim. Supplements support — they don’t replace — a balanced diet, sleep and exercise.
Which vitamins are good for the brain?
The B vitamins (B6, B12, niacin, folate, pantothenic acid) contribute to normal psychological and mental function, while zinc, iron and iodine contribute to normal cognitive function. Omega-3 DHA contributes to maintenance of normal brain function at 250 mg per day.
Are brain supplements safe?
Food supplements taken at the stated dose are generally well tolerated. They are not medicines. If you are pregnant, breastfeeding, taking medication or under medical supervision, consult your doctor first. Do not exceed the recommended daily amount.
Are brain supplements suitable for adults of all ages?
BrainSmart formulas are designed for adults. Nutrient needs change with age and diet, so the right formula depends on your goal. They are not intended for children; consult a healthcare professional for under-18s.
How long do brain supplements take to work?
Nutritional support builds over time rather than acting instantly. Many people take a formula consistently for several weeks alongside diet and lifestyle changes. Individual responses vary, and supplements are intended for ongoing everyday use.
Can I take more than one BrainSmart formula together?
Several BrainSmart formulas are designed to be taken together as part of a daily routine — for example Mood alongside Ultra. Follow the dosage on each label and keep total intake within recommended amounts; ask your doctor if you take medication.
What’s the difference between Focus, Memory, Mood and Ultra?
Each is anchored on nutrients matched to a goal: Focus for attention and clarity, Memory for recall support, Mood for calm and emotional balance, and Ultra for all-round daily brain nutrition. The choosing table above maps goals to formulas.
Related reading
Food supplements should not be used as a substitute for a varied and balanced diet and a healthy lifestyle. If you are pregnant, breastfeeding, taking medication or under medical supervision, consult your doctor before use. This product is not intended to diagnose, treat, cure or prevent any disease.
Last updated: 23 June 2026.