Free delivery from $150 CAD in Canada and $220 CAD for eligible U.S. orders. Conditions apply; see Shipping Policy. Dismiss
Skip to content
Compare melatonin, magnesium, amino acids and herbal formulas within a plan that first addresses sleep pattern, causes, safety and daytime function.
Shop current prices and availability below. Use the product and brand filters to narrow the list, or add an in-stock item directly to your cart.
Difficulty sleeping can reflect schedule, stress, medicines, pain, menopause, mood disorders, sleep apnea or another health problem. Supplements are not interchangeable: melatonin is a timing signal, magnesium is a nutrient, and herbs have product-specific effects and cautions. Persistent insomnia is best managed with assessment and evidence-based behavioural treatment rather than indefinite product stacking.
A product for circadian timing is not necessarily useful for repeated waking caused by pain or sleep apnea. Keeping a two-week sleep record can clarify bedtime, wake time, awakenings, naps, caffeine, alcohol and daytime impairment.[5]
Melatonin may help selected circadian problems and short-term situations, but guidelines cited by NCCIH recommend against relying on it for chronic insomnia because evidence is limited. Product amount and timing matter, and next-day drowsiness is possible.[5]
Magnesium is essential and deficiency should be corrected. However, clinical trials have not established reliable sleep improvement for everyone. Some forms also cause diarrhea, and kidney impairment changes magnesium safety.[6]
Valerian, passionflower, lemon balm and other calming products vary by extract and combination. Evidence is mixed, and additive sedation or medication interactions are possible. Natural does not mean safe for driving, pregnancy or combining with alcohol.[5][3]
| Option | Potential role | Important limitation |
|---|---|---|
| Melatonin | Selected circadian-timing or short-term labelled use | Not a universal treatment for chronic insomnia.[5] |
| Magnesium | Meeting nutrient needs or a licensed product purpose | Sleep benefits are not established for everyone; excess can cause diarrhea.[6] |
| Herbal formula | A product-specific licensed relaxation or sleep use | Evidence and interactions vary by exact extract and combination.[3][2] |
| Behavioural sleep treatment | Persistent insomnia and unhelpful sleep patterns | Requires practice, but addresses maintaining factors rather than only sedation.[5] |
Bring your medication list, allergies, health conditions and current supplements. A Sina pharmacist can help you compare labels and identify questions for your prescriber.
Call 604-336-7462Melatonin is a hormone signal involved in circadian timing. Its role, amount and timing differ from sedative medicines, and it is not a universal chronic-insomnia treatment.[5]
There is no single best amount for every person or sleep pattern. Use the exact Canadian label or clinician direction and avoid assuming that more works better.[5][2]
Evidence is limited and inconsistent outside deficiency. Choose magnesium for a defined reason, account for kidney function and stop if adverse gastrointestinal effects occur.[6]
Do not assume the combination is appropriate. Review duplicate ingredients, additive sedation, medicines, alcohol use and the need to drive or operate equipment.[3][5]
No. Products can cause drowsiness, adverse effects and interactions. Long-term safety is not equally established for all ingredients.[3][5]
Use the label duration and set a review date. Nightly or escalating use without improvement is a reason to reassess the diagnosis and plan.[3][4]
Some combinations can increase sedation or interact in other ways. A pharmacist should review the exact products and medicines first.[3]
Light timing, sleep schedule and melatonin timing can matter more than dose. Obtain advice for your direction of travel or shift schedule.[5]
Use a consistent wake time, protect adequate sleep opportunity, limit late caffeine and alcohol, and keep the bed for sleep. Persistent insomnia may benefit from cognitive behavioural therapy for insomnia.[5]
Seek help for persistent impairment, loud snoring or breathing pauses, dangerous sleepiness, restless legs, unusual night behaviour, pregnancy-related concerns or severe mood symptoms.[5]
Content prepared by Sina Pharmacy team using the sources above. It is not a diagnosis or an individualized treatment plan. The current Canadian product label and advice from your healthcare professional take precedence.
