Sisu Sisu - Liquid Melatonin 10mg, 59 ml
Sisu Liquid Melatonin - 10 mg - Can help people with low melatonin levels fall asleep more easily, sleep longer and wake up less frequently by resetting an internal clock disrupted by jet lag, daylight savings time, or shift work. Sisu's high-potency melatonin in a liquid form for accelerated absorption and rapid effects.

Price
Regular Canadian retail price: $23.98 CAD. Price Vault members pay below retail on this product. Member pricing is private and shown after a free opt-in, with no membership fee, no minimum order and no subscription.
Currently out of stock. Free shipping across Canada on orders over $89, flat $9.95 under that. 30 days to request a return, with return shipping paid by the customer. Ships from Victoria, BC.
Why people keep reordering it
- Easier wind-down
- Supports a calm transition into restful sleep.
- Non-habit forming
- Works with your own rhythm, with nothing to wean off.
- Wake up clear
- Made to support deep sleep without the morning grog.
Best suited to: wants a dose below one milligram, crossing several time zones, cannot swallow pills at bedtime.
What the research supports
A dropper bottle of melatonin at 10 mg per millilitre in a black cherry base. Doses can be measured in tenths of a millilitre, well below a full milligram.
Sleep and jet lag trials use 0.5 to 5 mg of melatonin a day.
- Sleep onset (evidence: moderate, from randomized controlled trial, meta-analysis)
- Melatonin is the hormone that signals night to the brain, nudging the body toward sleep rather than sedating it. Trials show it shortens time to fall asleep by a modest margin, and doses above a few milligrams don't work better.
- Jet lag (evidence: moderate, from randomized controlled trial, meta-analysis)
- Taken at the destination's bedtime, melatonin nudges the body's internal clock to match the new time zone faster. The effect is fairly consistent across trials after crossing several zones.
- Shift work sleep (evidence: mixed, from randomized controlled trial)
- On rotating schedules melatonin competes with daylight, which keeps signalling wake to the brain regardless of the dose. Some shift workers sleep longer during the day on it, others see no change.
Read the literature: Sleep onset on PubMed, Jet lag on PubMed, Shift work sleep on PubMed.
Is it right for you
Worth it if
- Wants a dose below one milligram
- A dropper can measure 0.05 mL, or half a milligram. No tablet can be split that finely.
- Crossing several time zones
- Melatonin taken at the destination bedtime is the standard way to pull the body clock onto local time, and a liquid absorbs without waiting on a tablet to break down.
- Cannot swallow pills at bedtime
- It is half a teaspoon of flavoured liquid at most, taken straight or in a little water.
Look elsewhere if
- Waking at 3am rather than at bedtime
- A liquid clears quickly. A sustained or prolonged release melatonin at 1 to 3 mg is built to stay present through the second half of the night.
- New to melatonin entirely
- Start at 0.5 to 1 mg of anything, from any format. If you buy this, treat 0.1 mL as your starting line rather than the 0.5 to 1 mL on the label.
- Pregnant, breastfeeding, or dosing a child
- Melatonin dosing in those situations is a conversation with a practitioner, not something to work out from a dropper at bedtime.
What to expect
Drowsiness usually arrives 20 to 45 minutes after a dose. The average shortening of time to fall asleep in trials is modest, roughly ten minutes, so the more useful effect is that bedtime shifts earlier over several consecutive nights rather than one dramatic night.
How it compares
- Compared with a 3 mg melatonin tablet
- Liquid is absorbed without a disintegration step and can be dosed at any amount you like, including well under 1 mg, which is where a lot of people actually respond best. The tradeoff: At 10 mg per mL the concentration is high, so a careless squeeze overshoots badly. A tablet is idiot proof at bedtime in a dark room; this one asks you to measure.
Product details
- Active ingredient
- Melatonin
- Ingredient form
- ml
- Strength
- 10 mg
- Suggested use
- Take 0.5-1 ml 1 time per day, at or before bedtime. For use beyond 4 weeks, consult a health care practitioner.
- Country of manufacture
- Canada
- Independent testing
- independent third-party labs
- Certifications
- Non-GMO, Made in Canada
- Storage
- Store in a cool, dry place
- Brand
- Sisu
How to take it
Take 0.5-1 ml 1 time per day, at or before bedtime. For use beyond 4 weeks, consult a health care practitioner.
- Store in a cool, dry place away from direct light.
- Keep out of reach of children.
- Consult a practitioner if you are pregnant, nursing or on medication.
Ingredients
Per 1mL
- Melatonin
- 10 mg
Non-medicinal ingredients
Citric acid, glycerin (vegetable), potassium sorbate, sodium benzoate, purified water, black cherry flavour, sodium gluconate, black carrot juice, black currant juice, invert sugar.
Free from
Contains no dairy, wheat, gluten, or soy. Suitable for a vegan diet.
Interactions and cautions
- Medications
- May add to the effect of sedative medication. Review with your practitioner.
- Timing
- Separate from medications by 2 to 4 hours unless directed otherwise by a healthcare practitioner.
- Pregnancy and breastfeeding
- Consult a healthcare practitioner before use if pregnant or breastfeeding.
- General
- Use only as directed. Discontinue and consult a practitioner if you experience an adverse reaction.
This product is not intended to diagnose, treat, cure or prevent disease. Consult a healthcare practitioner before use. Free certified advisors are available at 1-888-386-1211, Mon to Fri, 9am to 5pm PT.
Questions about Sisu - Liquid Melatonin 10mg
- Is this the genuine, authentic product?
- Yes. It is identical to what you would pay full price for anywhere else, sourced through our authorized supplier relationships.
- How is the price below retail?
- We buy direct, with nobody in the middle taking a cut, and we sell it for close to what we paid. You see the price privately because you have unlocked the Vault.
- How fast does it ship?
- Orders placed before 12pm PT are processed the same day and ship within two business days. Shipping is free over $89, and a flat $9.95 under that.
- Can I return it?
- You have 30 days after it arrives to request a return. Product must be unused, in its original packaging, with proof of purchase, and return shipping is paid by you. Find it cheaper anywhere in Canada and we will match the price.