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Head-to-head evidence comparison — which supplement is right for you?
Magnesium vs Raspberry Leaf: Magnesium has the stronger overall evidence (8.5 vs 4/10); they're alternatives for pms relief — the best pick depends on your goals. Take the 60-second quiz for a pick tailored to your goals.
Magnesium wins 3 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Mixed evidence
2 of 6 studies with measurable effects showed benefit.
Top outcomes
Verdict
Mostly mechanism / observational
1 of 2 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (1)
Outcomes where both Magnesium and Raspberry Leaf have evidence — compare verdict strength side-by-side.
200-250mg elemental magnesium daily
Evening for sleep/relaxation (glycinate), Morning for energy (malate), Anytime (citrate)
Depends on goal - see notes
1-2g dried leaf as tea, 2-3 times daily
Between meals as tea, Divided throughout the day
Dried leaf tea
and 4 more not shown
1-2 weeks
1-2 weeks
1 week
Immediate
2-3 cycles
Magnesium supplementation in pregnancy
The Cochrane database of systematic reviews (2014) · Meta analysis · n=9090
Ten trials involving 9090 women and their babies. Only two were judged to be of high quality overall.
Magnesium Supplementation and Blood Pressure: A Systematic Review and Meta-Analysis
Hypertension (2025) · Meta analysis · n=2709
38 RCTs with 2709 participants, median 365 mg elemental magnesium for a median 12 weeks. Systolic BP -2.81 mmHg (95% CI -4.32 to -1.29), diastolic -2.05 mmHg versus placebo.
Magnesium and Potassium Supplementation for Systolic Blood Pressure Reduction in the General Normotensive Population: A Systematic Review and Subgroup Meta-Analysis for Optimal Dosage and Treatment Length
Nutrients (2024) · Meta analysis
Both supplements demonstrated greater reductions in SBP for the general population at lower dosages and longer treatment durations.
Raspberry Leaves and Extracts-Molecular Mechanism of Action and Its Effectiveness on Human Cervical Ripening and the Induction of Labor
Nutrients (2023) · Review
The majority of women apply raspberry leaves during pregnancy to induce and ease labor.
A Review on Berry Seeds-A Special Emphasis on Their Chemical Content and Health-Promoting Properties
Nutrients (2023) · Review
A different part of the plant: berry seeds, not the leaf. Raspberry leaf is dosed as 1-2g dried leaf as tea for uterine and menstrual use, and this paper reviews the chemical content of berry seeds. Read it as species-level context, not as leaf evidence.
Phenolic Composition, Mineral Content, and Beneficial Bioactivities of Leaf Extracts from Black Currant (Ribes nigrum L.), Raspberry (Rubus idaeus), and Aronia (Aronia melanocarpa)
Nutrients (2020) · Review
Narrative review of the phenolic compounds and minerals in leaves of black currant, raspberry and aronia, not raspberry alone.
Both points come from one phase II RCT in 198 adults with knee osteoarthritis (PMID 35799169), which gave 200 mg or 400 mg of leaf extract daily for 12 weeks. The primary endpoint, WOMAC pain, did not differ from placebo at either dose. Walking pain on a VAS fell more than placebo at 400 mg only, so 200 mg is plotted as no effect. Doses above 400 mg were not tested, and a single trial cannot establish an optimal dose or a safety ceiling.
AI-estimated from published studies. Interpret as directional guidance.
Magnesium has a higher evidence score (8.5/10 vs 4/10) and wins in 3 of 3 categories.
For pms relief, Magnesium has a higher relevance score (88 vs 10).
No documented interaction was found in the data searched. This does not establish that this exact combination is safe.
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The right pick depends on your goals. Answer a few quick questions for a personalised recommendation — or dig into the full evidence on each.