Tart Cherry for Recovery: What the Sports Science Says
Montmorency tart cherry is one of the more credible natural recovery aids because, unlike most “natural anti-inflammatory” supplements, it has been tested in real human exercise trials. Marathon runners taking cherry concentrate recovered muscle strength faster and showed lower inflammation (IL-6, CRP) and oxidative stress, and a separate trial in trained men found quicker recovery of maximal contraction at 24 and 48 hours. Its anthocyanins inhibit the same COX enzymes as ibuprofen but more gently, with the advantage that they don’t appear to blunt training adaptation the way regular NSAIDs can. There is also a modest sleep benefit from its small natural melatonin content, and the practical approach is to take the concentrate in the days around hard training or an event.
Marathon and Exercise Recovery Trials
Howatson and colleagues (2010, Scandinavian Journal of Medicine & Science in Sports; PMID 19883392) gave 20 recreational marathon runners Montmorency tart cherry juice or placebo for 5 days before, the day of, and for 48 hours after a marathon. The cherry group recovered isometric muscle strength faster, had significantly lower inflammation (IL-6, CRP, uric acid), and showed less oxidative stress (lower TBARS at 48 h, higher total antioxidant status). Bowtell et al. (2011, Medicine & Science in Sports & Exercise; PMID 21233776) tested Montmorency cherry concentrate in 10 well-trained men doing intensive single-leg knee-extension exercise (10 sets of 10 reps at 80% 1RM). Maximal voluntary contraction recovered faster at 24 and 48 h with cherry, and oxidative damage (protein carbonyls) was lower.
The Anti-Inflammatory Mechanism
Tart cherries are rich in anthocyanins (cyanidin and peonidin glycosides) and other polyphenols that inhibit cyclooxygenase-1 and -2 (COX-1, COX-2) — the same enzymes targeted by ibuprofen and aspirin, though much less potently. Cell-based work by Seeram and colleagues at Oregon Health & Science University placed cherry anthocyanin anti-inflammatory activity in the same general range as a standard ibuprofen dose. The advantage over NSAIDs for athletes is that cherry anthocyanins do not appear to blunt the adaptive response to training the way chronic NSAID use can.
Sleep Quality and Natural Melatonin
An unexpected line of research is sleep. Montmorency cherries are one of the few natural food sources of melatonin (roughly 13 ng/g). Howatson et al. (2012, European Journal of Nutrition; PMID 22038497) gave 20 healthy adults 30 mL of tart cherry juice concentrate twice daily for 7 days; total urinary melatonin rose significantly, and total sleep time and sleep efficiency improved versus placebo. A separate pilot in older adults with insomnia (Pigeon et al., 2010, Journal of Medicinal Food; PMID 20438325; n = 15, crossover) showed a significant reduction in wakefulness after sleep onset versus placebo, although other sleep measures (latency, total sleep time, efficiency) did not separate significantly. The sleep effect is real but modest compared with exogenous melatonin.
Dosing and Practical Use
The effective dose in the trials is about 30 mL of Montmorency concentrate twice daily, or 8–12 oz of juice twice daily, starting 4–5 days before the bout and continuing 2–3 days after. Capsulated powdered tart cherry extract (480–1,000 mg/day) has also shown effects, but with fewer trials. Pre-loading matters: a single post-exercise dose does not reproduce the multi-day protocol. Tart cherry combines well with sleep, protein, and other recovery basics, and does not interact with common medications at typical doses.
Sources
- Howatson G, et al. “Influence of tart cherry juice on indices of recovery following marathon running.” Scandinavian Journal of Medicine & Science in Sports, 2010. PMID 19883392.
- Bowtell JL, et al. “Montmorency cherry juice reduces muscle damage caused by intensive strength exercise.” Medicine & Science in Sports & Exercise, 2011. PMID 21233776.
- Howatson G, et al. “Effect of tart cherry juice (Prunus cerasus) on melatonin levels and enhanced sleep quality.” European Journal of Nutrition, 2012. PMID 22038497.
- Pigeon WR, et al. “Effects of a tart cherry juice beverage on the sleep of older adults with insomnia: a pilot study.” Journal of Medicinal Food, 2010. PMID 20438325.