CBD in Professional Sports: League Policies, Famous Athletes, and What the Science Actually Supports
By Arkos Bioscience Science Team
Cannabidiol (CBD) is allowed by the World Anti-Doping Agency and by most major professional sports leagues in 2026, but THC remains restricted in most contexts. The best evidence supports CBD use for sleep quality and recovery, not for direct performance enhancement. The biggest risk for athletes is mislabeled "CBD" products that contain trace THC, which has cost multiple athletes their careers.
The current landscape
The shift from CBD as a banned substance to CBD as a tolerated wellness category happened across professional sports over the last six years, faster than most observers predicted. In 2018, the World Anti-Doping Agency removed CBD from its prohibited list. By 2026, most major professional leagues have followed in some form, although the details differ by sport in ways that matter for an athlete.
This piece walks through league-by-league policy as of 2026, the named athletes who have publicly used CBD, the research on athletic performance versus recovery, and the testing pitfalls every athlete should understand before opening a bottle.
WADA and the global rules
The 2025/2026 WADA Prohibited List places cannabinoids in section S8. The current rules:
- CBD is the only explicitly permitted cannabinoid. It is not prohibited in or out of competition.
- THC is prohibited in-competition only, with a 150 ng/mL urine threshold.
- All other cannabinoids (including CBG, CBN, and synthetic cannabinoids) are prohibited in-competition with a zero threshold.
The practical implication for any athlete subject to WADA testing: a pure CBD isolate product is allowed. A broad-spectrum or full-spectrum product is much riskier, because the same product can deliver enough THC to test positive in-competition.
League-by-league policy in 2026
Athletes who have publicly used or endorsed CBD
The list of named, verified-by-public-statement professional athletes who endorse or use CBD is now long. A short, representative sample:
- Megan Rapinoe (USWNT soccer): co-founded Mendi with her sister Rachael Rapinoe.
- Rob Gronkowski (NFL): public partnership with CBDMedic since 2019.
- Nate Diaz (UFC): co-founded Game Up Nutrition.
- Klay Thompson (NBA): partner and investor in Just Live.
- Bubba Watson (PGA): cbdMD partnership since 2019.
- Alex Morgan (USWNT soccer): co-founded Just Live in 2019.
- Riley Cote (former NHL): founder and advocate for BodyChek Wellness.
- Carli Lloyd (USWNT soccer): endorsed CBDMedic during her career.
Performance versus recovery: what the research actually shows
The most current systematic review on CBD and athletic performance is the 2024 Bezuglov et al. review, which concluded that CBD shows a "limited positive effect on physiological performance parameters, but not post-load recovery." The phrasing is careful for a reason: the strongest evidence is not where the marketing claims it is.
What the research does broadly support:
- Sleep quality. The most consistent finding across athlete and general population studies is that CBD may support better sleep onset and quality, which indirectly supports recovery.
- Pre-competition anxiety. Several smaller studies suggest CBD may reduce situational anxiety, though the evidence is short of definitive.
- Inflammation markers. Some early evidence of reduced post-exercise inflammatory markers, but this has not been consistently replicated in larger trials.
What the research does not support, despite frequent marketing claims:
- Direct performance enhancement. CBD does not increase strength, endurance, or power output in any controlled study.
- Acute comfort support comparable to NSAIDs. CBD may offer some comfort support, but it is not a substitute for established analgesics in the immediate post-injury window.
The most credible position in 2026 is that CBD is a recovery-side tool, not a performance-side tool.
The drug-testing problem that has cost careers
The single biggest risk for any athlete using CBD is not CBD itself. It is THC contamination in products marketed as "CBD only" or "THC free."
Three documented cases:
- Lauren Goss, professional triathlete, suspended six months in 2019 after testing positive for THC traced to a CBD salve she had been using for muscle soreness.
- Devin Logan, U.S. Olympic skier, received a three-month suspension in 2019 after a mislabeled "THC-free" CBD product produced a positive test.
- Casey Kania, ATP tennis player, received a two-year suspension in 2024 from a positive THC test he attributed to a CBD product.
If you are an athlete subject to drug testing, the only defensible option is a product that:
- Is built from CBD isolate (not full-spectrum or broad-spectrum), and
- Publishes a batch-level Certificate of Analysis from an ISO 17025-accredited third-party lab showing non-detect THC on the exact batch you're using, and
- Is independently certified by a program like NSF Certified for Sport, BSCG Certified Drug Free, or Informed Sport.
Arkos NanoCBD is built from CBD isolate and tested by Infinite Chemical Analysis Labs (ISO 17025, San Diego, License C8-0000047-LIC). The complete batch-level COAs are downloadable at arkosbio.com/pages/lab-results. Arkos is not currently NSF Certified for Sport (a separate certification we do not yet hold), so athletes subject to the strictest testing regimes should verify that their specific governing body's certification requirements match the products they use.
The brain-trauma question
One of the most-watched ongoing CBD trials in sports is NCT06204003, a 35-participant trial run by the University of Regina and funded in part by the NFL, looking at CBD as a potential neuroprotective compound in the concussion context. The trial has been recruiting since January 2024.
The interest is not coincidental. Chronic traumatic encephalopathy (CTE) is one of the most serious unsolved problems in contact sports, and any compound that even modestly reduces neuroinflammation in the post-impact window is worth investigating. CBD is a candidate, not yet a treatment, and the trial results will be one of the most important data points the field has produced.
The honest summary
Five rules for any professional or amateur athlete considering CBD in 2026:
- Check your specific governing body's current rules, not last year's.
- Choose CBD isolate over full-spectrum or broad-spectrum if you are tested.
- Demand a recent, batch-matched Certificate of Analysis from an ISO 17025 lab.
- Set expectations around recovery and sleep, not performance enhancement.
- Consult a healthcare professional if you take prescription medications. CBD interacts with CYP3A4 and CYP2C19 hepatic enzymes.
Further reading
- CBD for athletes: recovery, comfort support, and performance in 2026
- CBD drug interactions
- Arkos third-party lab results and downloadable COAs
Sources
- WADA 2025/2026 Prohibited List: cannabinoids section S8
- ClinicalTrials.gov NCT06204003: University of Regina NFL-funded CBD concussion trial
- Bezuglov et al., 2024, systematic review on CBD and athletic performance
- USADA marijuana FAQ: U.S. Anti-Doping Agency guidance on cannabinoids