Head-to-head evidence comparison — which supplement is right for you?
MCT Oil wins 3 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
300-600mg daily
Morning for cognitive enhancement, 30-60 min before workout for performance
Alpha-GPC 50% powder or capsules
1-3 tablespoons (15-45ml) daily
Morning for sustained energy, Before workouts for performance, With coffee (bulletproof style)
C8 (Caprylic Acid) MCT Oil
1-2 hours
2-4 weeks
Acute
Same day
30-60 minutes
30-60 minutes
Acute
Acute with excess
L-Alpha-Glycerylphosphorylcholine (L-α-GPC): A Comprehensive Review of Its Preparation Techniques and Versatile Biological Effects
Journal of food science (2025) · Systematic review
Due to its high choline content (41% by weight) and ability to cross the blood-brain barrier, GPC is considered one of the most utilized sources of choline.
Unlocking the potential of l-α-glycerylphosphorylcholine in the food industry: From safety approvals to market prospects
Comprehensive reviews in food science and food safety (2025) · Systematic review
Encouraged by the policy incentives, there is likely to be a new upsurge in the research interest surrounding l-α-GPC.
Activity of Choline Alphoscerate on Adult-Onset Cognitive Dysfunctions: A Systematic Review and Meta-Analysis
Journal of Alzheimer's disease : JAD (2023) · Meta analysis · n=1326
We found significant effects of α-GPC in combination with donepezil on cognition [4 RCTs, mean difference (MD):1.72, 95% confidence interval (CI): 0.20 to 3.25], functional outcomes [3 RCTs, MD:0.79, 95% CI: 0.34 to 1.23], and behavioral outcomes [4 RCTs; MD: -7.61, 95% CI: -10.31 to -4.91].
Lipid emulsions for parenterally fed preterm infants
The Cochrane database of systematic reviews (2019) · Meta analysis · n=2037
Meta-analysis examining MCT Oil efficacy
Clinical Benefits of Exogenous Ketosis in Adults with Disease: A Systematic Review
Nutrients (2025) · Systematic review
Exogenous ketosis shows potential in neurological, metabolic, and cardiovascular disorders, while evidence in psychiatric and inflammatory conditions remains scarce and preliminary.
AMPA Receptor Modulation Through Medium-Chain Triglycerides and Decanoic Acid Supports Nutritional Intervention in Pediatric Epilepsy
Nutrients (2025) · Systematic review
Methods: A systematic review was conducted, including articles from January 2000 to January 2025, to explore the potential role of medium-chain triglyceride (MCT) add-on to classic KD and as MCT supplementation in free diets in the management of pediatric drug-resistant epilepsy (DRE).
MCT Oil has a higher evidence score (9/10 vs 8.5/10) and wins in 3 of 3 categories.
For sharpen focus, Alpha-GPC has a higher relevance score (80 vs 70).
No known interactions between Alpha-GPC and MCT Oil have been documented in our database. However, always consult a healthcare provider before combining supplements.