Sleep
Sleep supplements with magnesium, L-theanine, glycine and calming herbs like valerian and lemon balm, in capsules, powders and drops. We explain which ingredient suits which kind of restless night, and why melatonin is missing.Read more →
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How to choose a natural sleep supplement
Sleep supplements are not sedatives. They deliver nutrients and plant extracts that support your body while it winds down, which is why they sit in our MIND + SLEEP pillar rather than in the medicine cabinet. That difference matters when you compare labels. It explains why one ingredient helps a colleague and does nothing for you. Sleep is also an area where more is rarely better: a higher dose does not switch you off faster.
Melatonin is a prescription medicine in the UK
In the UK, melatonin is classed as a prescription-only medicine, not a food supplement. Shops cannot legally sell it, and parcels ordered from abroad can be stopped at customs. So you will not find melatonin here. You will find the ingredients that are allowed in European supplements: magnesium, glycine, L-theanine, vitamin B6 and calming herbs such as valerian, lemon balm, passionflower and hops. One more piece of honesty: European food law has approved no health claim that links a supplement directly to sleep. We stay inside what these ingredients are permitted to say.
Start with the kind of night you have
Most disappointing purchases come from picking a popular product instead of a fitting one. A rough guide:
- Tense muscles or restless legs: the magnesium range, because magnesium contributes to normal muscle function and to normal functioning of the nervous system.
- A head that keeps talking at midnight: L-theanine, an amino acid from tea leaves, or lemon balm.
- Weeks of built-up stress: ashwagandha, taken every day rather than only at bedtime.
- A thin intake of B vitamins: vitamin B6, which contributes to normal psychological function.
None of these act as an off switch. They make the conditions for sleep a little easier, which is a smaller promise, but a realistic one.
How we choose what goes in this collection
Form, dose and sensible combinations decide what we stock. For magnesium we prefer bisglycinate and citrate over oxide, because they are absorbed better and are gentler on the stomach. We check how much elemental magnesium a capsule really delivers, not the weight of the whole compound. We leave out formulas that hide a dozen botanicals in one blend, because you cannot see whether any of them reaches a researched amount. Every product passes our compliance team, we test products ourselves, and independent labs spot-check batches. Read how we select brands and products.
What to expect, and what not to
Most people take a capsule or a dose of calming L-theanine thirty to sixty minutes before bed. Powders suit anyone who dislikes swallowing capsules and likes a warm drink as part of the routine. Drops let you build up in small steps. Effects are usually gradual, so give a new product two to three weeks of consistent evening use before you judge it. A supplement supports the wind-down, it does not cancel out a late screen habit or a rotating shift pattern. If you have slept badly for weeks, or you snore heavily and still wake up exhausted, speak to your GP first. That is a different problem from an occasional restless night.
Frequently asked questions
They are food supplements with minerals, amino acids, B vitamins or plant extracts that people take in the evening. They do not sedate you and they are not sleeping tablets. They support the systems involved in winding down, so the conditions for sleep improve. European food law has approved no claim that a supplement improves sleep, so treat any product promising instant knockout results with suspicion. Realistically, they help most when your routine is already reasonably steady.
EFSA. (2010). Scientific Opinion on the substantiation of health claims related to magnesium. https://www.efsa.europa.eu/en/efsajournal/pub/1807European Commission. (n.d.). EU Register on nutrition and health claims. https://ec.europa.eu/food/food-feed-portal/backend/claims/files/euregister.pdfNHS. (2023). Vitamins and minerals: Others. https://www.nhs.uk/conditions/vitamins-and-minerals/others/NHS. (n.d.). Melatonin. https://www.nhs.uk/medicines/melatonin/
