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Head-to-head evidence comparison — which supplement is right for you?
Vitamin D3 wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Mostly mechanism / observational
1 of 1 studies with measurable effects showed benefit.
Top outcomes
Verdict
Probably helps
15 of 26 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (1)
Outcomes where both Motherwort and Vitamin D3 have evidence — compare verdict strength side-by-side.
300-600mg extract or 1-2g dried herb
As needed for acute anxiety, 2-3 times daily for ongoing support
Tincture or capsules
2000-4000 IU daily
Morning with breakfast
D3 (cholecalciferol) softgel or liquid
30-60 minutes (acute)
1-2 weeks
Immediate
4-8 weeks
4-8 weeks
2-4 weeks
4-8 weeks
Characterizations of White Mulberry, Sea-Buckthorn, Garlic, Lily of the Valley, Motherwort, and Hawthorn as Potential Candidates for Managing Cardiovascular Disease-In Vitro and Ex Vivo Animal Studies
Nutrients (2024) · In vitro
Such herbal-originated medication therapy may include Morus alba L. (white mulberry), Elaeagnus rhamnoides (L.) A.
Research progress on molecular mechanism and future perspectives of leonurine
Frontiers of medicine (2025) · Systematic review
Diseases of the cardiovascular system and central nervous system are "major health threats" that threaten human life and health worldwide, however, many drugs have certain side effects right now.
A review of pharmacological and pharmacokinetic properties of stachydrine
Pharmacological research (2020) · Systematic review
The cardioprotective and vasoprotective activities of stachydrine are related to its inhibition of β-MHC, excessive autophagy, SIRT1, eNOS uncoupling and TF, promotion of SERCA, and angiogenesis.
Vitamin D supplementation vs. placebo and incident type 2 diabetes in an ancillary study of the randomized Vitamin D and Omega-3 Trial
Nature communications (2025) · Meta analysis · n=5205
Mean body mass index (BMI) was 27.5 kg/m2 (SD = 5.3), with 51% female and 17% Black race/ethnicity.
Vitamin D Supplementation for Patients with Dysmenorrhoea: A Meta-Analysis with Trial Sequential Analysis of Randomised Controlled Trials
Nutrients (2024) · Meta analysis · n=687
TSA revealed that the current RCTs provide sufficient information.
Vitamin D and respiratory tract infections
BMJ (2017) · Meta analysis · n=11321
12% reduction in respiratory infections overall
Based on multiple RCTs and meta-analyses (n=51,312+ combined). Evidence specific to motherwort injection, not oral forms. Clinical use limited to medical supervision for obstetric applications.
Meta-analysis showed 12% overall reduction in respiratory infections, with greater benefits in severely deficient individuals. Daily dosing more effective than bolus. Conservative estimate assumes most users not severely deficient.
AI-estimated from published studies. Interpret as directional guidance.
Vitamin D3 has a higher evidence score (9/10 vs 8/10) and wins in 2 of 3 categories.
For pms relief, Vitamin D3 has a higher relevance score (78 vs 70).
No known interactions between Motherwort and Vitamin D3 have been documented in our database. However, always consult a healthcare provider before combining supplements.