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Head-to-head evidence comparison — which supplement is right for you?
Vitamin B6 wins 3 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Mixed evidence
2 of 5 studies with measurable effects showed benefit.
Top outcomes
Verdict
Likely helps
12 of 16 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (1)
Outcomes where both Raspberry Leaf and Vitamin B6 have evidence — compare verdict strength side-by-side.
1-2g dried leaf as tea, 2-3 times daily
Between meals as tea, Divided throughout the day
Dried leaf tea
25-100mg daily
Morning with food, Can take with other B vitamins
P-5-P (Pyridoxal-5-Phosphate)
2-3 cycles
Last trimester
2-4 weeks
1-2 cycles
Months of high doses
Raspberry Leaves and Extracts-Molecular Mechanism of Action and Its Effectiveness on Human Cervical Ripening and the Induction of Labor
Nutrients (2023) · Systematic 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) · Systematic review
Last search was conducted on 16.01.2023.
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) · Systematic review
This was reviewed and discussed in this article.
Dosage exploration of combined B-vitamin supplementation in stroke prevention: a meta-analysis and systematic review
The American journal of clinical nutrition (2024) · Meta analysis · n=76664
In areas without and with partial folic acid fortification, combined B-vitamin supplementation significantly reduced the risk of stroke by 34% [RR: 0.66; 95% confidence interval (CI): 0.50, 0.86] and 11% (RR: 0.89; 95% CI: 0.79, 1.00), respectively.
Vitamin and mineral supplementation for maintaining cognitive function in cognitively healthy people in mid and late life
The Cochrane database of systematic reviews (2018) · Meta analysis · n=83000
We found that giving B vitamin supplements to cognitively healthy adults, mainly in their 60s and 70s, probably has little or no effect on global cognitive function at any time point up to 5 years (SMD values from -0.03 to 0.06) and may also have no effect at 5-10 years (SMD -0.01).
Drug Efficacy in the Treatment of Antipsychotic-Induced Akathisia: A Systematic Review and Network Meta-Analysis
JAMA network open (2024) · Meta analysis · n=492
No association between effect sizes and psychotic severity was found.
Based on single RCT (n=37) showing 25.6% glucose reduction when tea consumed with sucrose. Conservative estimate due to limited study population and single trial. Effect may be specific to tea preparation and timing with carbohydrate intake.
Based on systematic review of nutritional interventions for PMS psychological symptoms. Evidence quality limited by study heterogeneity and need for more consistent protocols.
AI-estimated from published studies. Interpret as directional guidance.
Vitamin B6 has a higher evidence score (7/10 vs 4/10) and wins in 3 of 3 categories.
For pms relief, Vitamin B6 has a higher relevance score (85 vs 65).
No known interactions between Raspberry Leaf and Vitamin B6 have been documented in our database. However, always consult a healthcare provider before combining supplements.