Ovariectomized mice treated with CBD for 18 weeks showed improved glucose tolerance, increased energy expenditure, better bone density, and a bloom in beneficial Lactobacillus gut bacteria.
Postmenopausal women interested in CBD, researchers studying metabolic bone disease, and scientists investigating gut-bone health connections.
Improved bone density, glucose tolerance, and energy expenditure simultaneously
What the researchers found
CBD-treated ovariectomized mice had improved oral glucose tolerance, increased energy expenditure, and improved bone mineral density and bone microarchitecture. These improvements were accompanied by increased Lactobacillus abundance in the gut and gene expression changes consistent with reduced inflammation.
Why it matters
Postmenopausal women face increased risks of metabolic disease and osteoporosis with limited treatment options. If CBD can address multiple aspects of this risk profile while modifying the gut microbiome, it could offer a novel therapeutic approach.
The numbers in context
CBD dose: 25 mg/kg for 18 weeks. Improved whole body bone mineral density and content. Increased femoral bone volume fraction, trabecular thickness, and volumetric bone density. Increased Lactobacillus abundance. Gene expression changes indicated reduced inflammation and less bone resorption.
How the study worked
Ovariectomized (OVX) and sham surgery mice received CBD (25 mg/kg) or vehicle perorally for 18 weeks. Assessed glucose tolerance, energy expenditure, bone density (DXA and micro-CT), gut microbiome composition, and gene expression in intestine and femur.
What this study cannot tell us
Animal study in mice, so results may not translate to humans. Single CBD dose tested. The ovariectomy model approximates but does not fully replicate human menopause. Gut microbiome differences between mice and humans limit direct translation.
How to read the evidence
Preliminary: single animal study with one dose, no human data.
When this study was published
Published in 2022.
The bigger picture
The connection between CBD, gut microbiome, and bone health is a novel finding that bridges several active areas of research and could open new avenues for managing postmenopausal health.
Questions still open
- Would these effects be seen in postmenopausal women? Is the gut microbiome change (Lactobacillus bloom) a mediator of the metabolic and bone benefits? What is the optimal CBD dose and duration for bone health?
Common questions
How did CBD affect bones?
What role did gut bacteria play?
Could postmenopausal women benefit from CBD?
Read the original research
Cannabidiol-Treated Ovariectomized Mice Show Improved Glucose, Energy, and Bone Metabolism With a Bloom in Lactobacillus.
Frontiers in pharmacology, 13, 900667
Citation
Sui, Ke; Tveter, Kevin M; Bawagan, Fiona G; Buckendahl, Patricia; Martinez, Savannah A; Jaffri, Zehra H; MacDonell, Avery T; Wu, Yue; Duran, Rocio M; Shapses, Sue A; Roopchand, Diana E. (2022). Cannabidiol-Treated Ovariectomized Mice Show Improved Glucose, Energy, and Bone Metabolism With a Bloom in Lactobacillus.. Frontiers in pharmacology, 13, 900667. https://doi.org/10.3389/fphar.2022.900667
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