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Study

CBD Use Shows No Impact on Fitness and Wellbeing in Young Adults

A study found that taking 50 mg of CBD daily for 8 weeks did not improve fitness, cognitive function, or psychological wellbeing in active young adults.

Mental WellnessExercise & MovementHolistic Health
Study Credibility: High7.5/10From a trusted journalProperly designed studyResults verified
PublishedSep 2026Last reviewedSep 2026
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Summary

In plain language

Recent research investigated whether taking cannabidiol (CBD), a compound found in cannabis plants, could enhance fitness and mental wellbeing in young adults. Participants in the study were given a daily dose of 50 mg of CBD or a placebo over eight weeks. The findings revealed that CBD did not significantly impact physical fitness, step counts, cognitive function, or psychological wellbeing compared to the placebo group. For seniors considering CBD for health improvements, it's important to note that current evidence does not support these benefits. Discussing CBD use with a healthcare provider is advisable.

Details

Use the full description to understand the study design, methods, and the limits of the findings.

This study involved young adults aged 18 to 50 who were active and healthy. It was a double-blind, randomized, placebo-controlled trial, meaning neither the participants nor the researchers knew who received CBD or a placebo.

  • The study found no significant differences in physical fitness, cognitive function, or psychological wellbeing between those taking CBD and those taking a placebo.

  • No evidence suggested that CBD improved aerobic or anaerobic fitness or daily step counts.

  • The study was limited to a younger, active population, and the results might not apply to seniors or those with specific health conditions.

For seniors, it's essential to consult healthcare providers before using CBD, as its benefits for general health remain uncertain.

Research Quality Score

Scored September 27, 2026 using rubric mq-1.8_2026-07-06.

Assessment

The study scored highly in design and bias control due to its rigorous RCT methodology. Statistical integrity was strong with pre-specified endpoints and adequate power. Transparency was limited by incomplete data sharing. The study's relevance to the target population was low, as it focused on younger adults. Journal quality could not be assessed due to unspecified publication details.

Category Breakdown

CategoryScoreRating
Study design10.0/10
Bias control10.0/10
Statistical methods10.0/10
Reporting completeness5.0/10
Conflicts & funding10.0/10
Replication0.0/10
Relevance to chosen population0.0/10
Journal Reliability5.0/10

Additional Notes

This study investigated the effects of an 8-week oral CBD intervention on fitness, physical activity, cognitive health, psychological wellbeing, and inflammation in physically active adults aged 18-50. It found no significant improvements in these areas, though CBD may attenuate decreases in peak anaerobic power.

Assessed on the study's full text across 8 quality dimensions; conflict-of-interest disclosures were reviewed.

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