Beetroot juice and recovery: targeted benefits in female volleyball players
A small trial in female volleyball players suggests benefits for jumping and calf tenderness, but not across all recovery measures.
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Recent studies and announcements, explained with the same rigor as our analyses: sources, context, and the limitations of the data.
The publication feed
Knee osteoarthritis: no demonstrated additional benefit from active vitamin D3 or vitamin E alongside exercise
A pilot trial in 88 postmenopausal women shows no additional benefit from adding active vitamin D3 or vitamin E to home exercises.
After vancomycin, the prebiotic 2’-FL shows no detectable benefit for the microbiome
In 18 adults with overweight or obesity, eight weeks of 2’-FL after vancomycin did not improve microbiome recovery compared with placebo.
Creatine and breath-hold exercise: a small trial suggests a performance gain
In 20 trained freedivers, seven days of creatine appear to improve breath-hold cycling performance. The size of the benefit remains unknown from the abstract.
Curcumin and ovarian cancer: preclinical avenues, not a proven benefit in patients
A review of 21 studies explores curcumin and its nanoformulations in preclinical models of ovarian cancer, without establishing their clinical efficacy.
Bicarbonate and sprints: a trial in basketball players suggests an additional benefit, without quantifying it
In 40 trained basketball players, a four-week trial suggests a benefit from adding bicarbonate to sprint training. The size of the benefit and tolerability remain to be clarified.
Paeoniflorin and inflammation: promising mechanisms, little clinical evidence
A review explores the anti-inflammatory mechanisms of paeoniflorin. Clinical data remain limited, and its oral bioavailability is low.
Probiotics: no demonstrated reduction in two markers linked to coagulation
A meta-analysis of 15 trials shows no significant reduction in fibrinogen or PAI-1 with probiotics or synbiotics. The evidence remains low-certainty.
Tangeretin and weight loss before competition: a small trial in female combat sport athletes
A trial in 30 female athletes reports changes in body composition with tangeretin, but the abstract does not allow the benefit over placebo to be quantified.
Cinnamon and Tabata training: one trial is not enough to establish an additional benefit
A trial in 48 military cadets reports improvements with Tabata, with or without cinnamon. The supplement’s added benefit remains uncertain.
Betaine: a trial in women with overweight observes effects on two biological markers
A randomized trial observes changes in two markers related to mitochondria and antioxidant defenses, without establishing a clinical benefit.
Preterm infants: a synbiotic alters the microbiota, but its brain benefits remain unproven
A secondary analysis of a trial links microbiota functions to brain maturation in preterm infants, without demonstrating a neurological benefit.
Irritable bowel syndrome: zinc changes some markers, with no demonstrated sleep benefit
A trial involving 84 people with irritable bowel syndrome found biological changes with zinc, but no significant improvement in sleep.
Circulating taurine: a genetic study identifies avenues for research, not benefits of supplementation
A genetic meta-analysis of 36,490 people explores links between circulating taurine and health, without testing supplement use.
Berberine and PCOS: a review questions the reliability of four trials
A review excludes four trials of berberine in PCOS over integrity concerns. Its effectiveness cannot be established on this basis.
Functional constipation: probiotic BL-99 shows a benefit in a small trial
A placebo-controlled trial suggests symptom improvement with BL-99. The small sample size and short follow-up prevent conclusions about lasting benefits.
Type 2 diabetes: rose hip appears to reduce orthostatic symptoms in a small trial
A four-week trial suggests a benefit from rose hip in adults with diabetes and orthostatic hypotension. These findings remain preliminary.
Stress and sleep: trial finds no clear advantage to combining two supplement blends
In 103 active adults, a morning blend shows some favorable signs after two weeks. Adding an evening blend provides no clear benefit.
Periodontitis: coriander mouthwash has no detectable effect on the salivary microbiome
A small two-week trial compares coriander, chlorhexidine and water. The microbial findings do not establish a clinical benefit.
Quercetin and medications: possible but still poorly characterized interactions
A systematic review examines interactions between quercetin and medications. The mechanisms are plausible, but human data remain limited.