Everything for your brain. One company covering focus, sleep, stress and mood.
Proco makes five supplements: two for focus, two for sleep, and Magnesium Glycinate, which sits between sleep and stress. Below is what is in each one, what the label does and does not disclose, and the price. We also list the trade-offs we would rather you heard from us first.
Every order ships free within the US. Your first order is covered by a 90-day money-back guarantee, even if you have opened it.
These pages are written for US shoppers. Both of our sleep products contain melatonin, which is a prescription-only medicine in Ireland and the UK.
The range at a glance
- Cognitive Support: What it's for: Daytime focus and alertness. What's in it: Niacin and vitamin B6, plus a 255mg blend of GABA, L-tyrosine, caffeine, bacopa, phosphatidylserine, alpha GPC, L-theanine and huperzine A. Gelatin capsule. Contains caffeine. What's disclosed: Niacin (8mg NE) and B6 (5mg) only. The eight blend doses, caffeine included, are not disclosed. Price: $29.90 (30 capsules). Link: Shop Cognitive Support.
- Sleep Formula: What it's for: Winding down, with a lower melatonin dose. What's in it: Valerian 150mg, chamomile 100mg, GABA 100mg, L-tryptophan 100mg, lemon balm 100mg, passion flower 100mg, melatonin 2mg. Gelatin capsule. What's disclosed: Every ingredient and dose. Our only blend with every amount on the label. Price: $31.90 (60 capsules). Link: Shop Sleep Formula.
- Sleep Support: What it's for: Winding down, with a broader blend and a higher melatonin dose. What's in it: Vitamin B6 1.8mg, calcium 17mg, magnesium 13mg, melatonin 10mg, plus a 905mg blend of 14 ingredients, including ashwagandha root, St John's Wort, 5-HTP, GABA, chamomile, passion flower and lemon balm. Hypromellose capsule. What's disclosed: B6, calcium, magnesium and melatonin. The 14 blend doses are not disclosed. Price: $32.90 (60 capsules). Link: Shop Sleep Support.
- Magnesium Glycinate: What it's for: Relaxation and sleep quality. What's in it: 275mg elemental magnesium from 2,500mg magnesium glycinate per three capsules. Hypromellose capsule. What's disclosed: The one active and its dose. Price: $26.90 (90 capsules, 30 servings). Link: Shop Magnesium Glycinate.
- Omega-3: What it's for: Everyday brain-health support. What's in it: Fish oil 1,000mg with EPA 180mg and DHA 120mg (300mg combined) per softgel. Contains fish. What's disclosed: Every amount. Price: $24.90 (100 softgels). Link: Shop Omega-3.
How to choose by goal
- Focus. Cognitive Support is a daytime capsule built around caffeine and L-theanine; skip it if you avoid caffeine. Omega-3 is the caffeine-free option. See supplements for focus.
- Sleep. Choose one sleep blend, not both. Sleep Formula has 2mg of melatonin and every dose on the label. Sleep Support has 10mg and a broader, undisclosed blend. Magnesium Glycinate has no melatonin. See supplements for sleep and Sleep Formula vs Sleep Support.
- Stress. Magnesium Glycinate is the simplest option. Sleep Support contains ashwagandha root, but it is a night-time product with real interaction risks. See supplements for stress, including when stress needs a doctor instead.
- Mood. We do not sell a product for low mood. If low mood is what you are dealing with, start with your doctor. If you are in crisis or thinking about hurting yourself, call or text 988 in the US. In Ireland or the UK, call Samaritans free on 116 123.
Honest notes before you buy
- Two of our blends do not disclose doses. Cognitive Support's eight blend ingredients and Sleep Support's 14 carry no individual amounts. Our manufacturer has told us these cannot be published, so we will not describe their size. How to read a supplement label explains why that matters.
- Cognitive Support's caffeine amount is not disclosed. If you track your daily caffeine, count it as an unknown, not zero. More in does Cognitive Support contain caffeine?
- Our omega-3 dose is modest. Each softgel gives 300mg of EPA and DHA combined; the label suggests two a day. A 2025 review of 58 trials modelled effects per 2,000mg a day.
- Our melatonin doses sit either side of the studied peak. A 2024 analysis of 26 randomised trials found melatonin's effect on sleep peaked at about 4mg a day. Sleep Formula's 2mg is below that. Sleep Support's 10mg is two and a half times above it.
- Never take Sleep Support and Sleep Formula together. That would be 12mg of melatonin in one night, three times the studied peak, plus overlapping ingredients. See which Proco products can be combined.
- Sleep Support contains St John's Wort. The US National Institutes of Health warns it can interact dangerously with many medicines, including birth control pills, warfarin, some antidepressants and some seizure and HIV medicines. It also contains 5-HTP and L-tryptophan. If you take any prescription medicine, talk to your doctor or pharmacist first. See Proco products and mental health medications.
Shipping and our guarantee
- Free US shipping on every order.
- 90-day money-back guarantee on your first order. Not satisfied? Contact us within 90 days of delivery for a refund, even if you have opened it. You do not need to send it back. One refund per customer.
Buying guides: best magnesium for sleep, magnesium vs melatonin vs valerian, what the evidence says about nootropics and fish oil for brain health.
These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease.
This page is general information, not medical advice. Talk to your doctor or pharmacist before starting a supplement, especially if you take medication, are pregnant or breastfeeding, or have a health condition.
Last updated: November 2026