Head-to-head evidence comparison — which supplement is right for you?
Choline wins 1 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Vitamin
Amino Acid
250-500mg daily (varies by form)
Morning or with meals, Alpha-GPC before cognitive tasks
Alpha-GPC or CDP-Choline (Citicoline)
400-1600mg for mood; 600-1200mg for joints
On empty stomach, Morning and/or midday
Enteric-coated tablets (SAMe tosylate or butanedisulfonate)
2-4 weeks
4-8 weeks
1-2 weeks
With high doses
2-6 weeks
4-8 weeks
4-8 weeks
Association of choline and betaine with the risk of cardiovascular disease and all-cause mortality: Meta-analysis
European journal of clinical investigation (2023) · Meta analysis · n=33009
Random-effects model results showed that highest versus lowest quantile of circulating choline concentrations were associated with the risk of CVD (RR = 1.29, 95% CI: 1.04-1.61) and all-cause mortality (RR = 1.62, 95% CI: 1.12-2.36).
Salvage metastasis-directed therapy versus elective nodal radiotherapy for oligorecurrent nodal prostate cancer metastases (PEACE V-STORM): a phase 2, open-label, randomised controlled trial
The Lancet. Oncology (2025) · Rct · n=198
To our knowledge, this is the first randomised trial for metachronous PET-detected nodal recurrences comparing two local treatment approaches (MDT and ENRT) in combination with 6 months of androgen deprivation therapy.
Higher dietary choline intake is associated with increased risk of all-cause and cause-specific mortality: A systematic review and dose-response meta-analysis of cohort studies
Nutrition research (New York, N.Y.) (2024) · Meta analysis · n=482778
This study showed that each 100 mg/day increment in choline consumption was significantly associated with a 6% and 11% higher risk of all-cause and cardiovascular disease mortality respectively.
Comparison of concurrent, resistance, or aerobic training on body fat loss: a systematic review and meta-analysis
Journal of the International Society of Sports Nutrition (2025) · Meta analysis · n=1564
CT reduced significantly more fat mass compared to RT (MD: -1.09 kg [95% CI = -0.27 to -1.91]; p = 0.009).
Optimal duration of antibiotic treatment for community-acquired pneumonia in adults: a systematic review and duration-effect meta-analysis
BMJ open (2023) · Meta analysis · n=2399
We included nine trials (2399 patients with a mean (SD) age of 61.2 (22.1); 39% women).
Needling Point Location Used in Sham Acupuncture for Chronic Nonspecific Low Back Pain: A Systematic Review and Network Meta-Analysis
JAMA network open (2023) · Meta analysis · n=4379
In comparison with SATS, acupuncture was significantly associated with improvements in both pain (SMD, -0.33; 95% CI, -0.52 to -0.15) and function outcomes (SMD, -0.13; 95% CI, -0.25 to -0.02); however, there were no differences between acupuncture and SATV.
Choline has a higher evidence score (9/10 vs 9/10) and wins in 1 of 3 categories.
For reduce inflammation, Choline has a higher relevance score (85 vs 80).
No known interactions between Choline and SAMe have been documented in our database. However, always consult a healthcare provider before combining supplements.