MCT Oil
11 benefits mapped to clinical evidence across supplements.
Dose per serving from products
68 products in our catalogue print how much MCT Oil a serving holds.
Most common: 500 mg to 1 g, 19% of 68 products.
| Dose per serving | Products |
|---|---|
| 5 mg or less | 1 |
| 5 mg to 10 mg | 5 |
| 10 mg to 25 mg | 2 |
| 25 mg to 50 mg | 7 |
| 50 mg to 100 mg | 4 |
| 100 mg to 250 mg | 9 |
| 250 mg to 500 mg | 9 |
| 500 mg to 1 g | 13 |
| 1 g to 2.5 g | 7 |
| 2.5 g to 5 g | 7 |
| 5 g to 10 g | 2 |
| over 10 g | 2 |
Dose per serving from research
19 study groups in 15 studies say how much MCT Oil participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 5 g to 10 g, 32% of 19 study groups.
| Daily dose | Study groups |
|---|---|
| 1 g or less | 1 |
| 1 g to 2.5 g | 1 |
| 2.5 g to 5 g | 3 |
| 5 g to 10 g | 6 |
| 10 g to 25 g | 5 |
| 25 g to 50 g | 1 |
| 50 g to 100 g | 2 |
Benefit Evidence
Research sources
Weight management (9)
- Weight-loss diet that includes consumption of medium-chain triacylglycerol oil leads to a greater rate of weight and fat mass loss than does olive oil
PubMed ID: 18326600
16‑week randomized weight‑loss program: moderate MCT (18–24 g/d) produced ~1.7 kg greater weight loss and ~1.5 kg greater fat loss vs olive oil.
- Medium-chain triglycerides improved cognition and lipid metabolomics in mild to moderate Alzheimer's disease patients with APOE4(-/-): A double-blind, randomized, placebo-controlled crossover trial
PubMed ID: 31694759
MCT supplementation raised ketones in AD patients—supports ketone production useful on ketogenic diets.
- Efficacy of medium-chain triglyceride oil massage on growth in preterm infants: a randomized controlled trial: A CONSORT-compliant article
PubMed ID: 34397733
Preterm infant RCT showed greater weight gain with MCT oil massage over 1 week (robust effect in neonates).
- Dietary supplementation with n-3-fatty acids in patients with pancreatic cancer and cachexia: marine phospholipids versus fish oil - a randomized controlled double-blind trial
PubMed ID: 28578704
In cachectic pancreatic cancer patients FO+MCT stabilized weight and raised EPA/DHA; MCT was part of a regimen that helped maintain weight.
- Dietary medium-chain triacylglycerols suppress accumulation of body fat in a double-blind, controlled trial in healthy men and women
PubMed ID: 11694608
12‑week controlled trial: MCT consumption reduced body weight and fat more than LCT in adults with BMI≥23.
- Effects of dietary medium-chain triglyceride on weight loss and insulin sensitivity in a group of moderately overweight free-living type 2 diabetic Chinese subjects
PubMed ID: 17570262
90‑day pilot in overweight type 2 diabetics: 18 g/day MCT associated with weight loss and reduced waist circumference vs corn oil.
- The effect of massage with medium-chain triglyceride oil on weight gain in premature neonates
PubMed ID: 25725185
MCT oil massage produced substantial weight gain in premature infants (population‑specific effect).
- Postprandial metabolism with 1,3-diacylglycerol oil versus equivalent intakes of long-chain and medium-chain triacylglycerol oils
PubMed ID: 19217260
Meal MCT sharply reduced postprandial TG and increased ketones—metabolic changes supportive of weight management.
- Gastrointestinal tolerance, fat absorption, plasma ketone and urinary dicarboxylic acid levels in low-birth-weight infants fed different amounts of medium-chain triglycerides in formula
PubMed ID: 8229541
Clear increase in plasma 3‑HB (ketone) with higher MCT content in infant formula—direct mechanistic support for ketogenic substrate provision.
Immune support (7)
- Pretreatment with an intravenous lipid emulsion increases plasma eicosapentanoic acid and downregulates leukotriene b4, procalcitonin, and lymphocyte concentrations after open heart surgery in infants
PubMed ID: 24121184
In infants after heart surgery, MCT/soy/fish oil PN increased EPA and reduced inflammatory mediators (LTB4, PCT)—direct anti‑inflammatory/immunomodulatory effect.
- Four-week parenteral nutrition using a third generation lipid emulsion (SMOFlipid)--a double-blind, randomised, multicentre study in adults
PubMed ID: 22796064
Mixed oil with MCT raised EPA/DHA and improved liver tests—omega‑3 enrichment supports immune regulation.
- Safe and well-tolerated long-term parenteral nutrition regimen: Omega-3-fatty-acid-enriched medium chained/ long chained triglycerides emulsion
PubMed ID: 39581180
n‑3 enriched MCT/LCT raised EPA/DHA and n‑3 index—supports anti‑inflammatory immune effects.
- Administration of an Intravenous Fat Emulsion Enriched with Medium-Chain Triglyceride/ω-3 Fatty Acids is Beneficial Towards Anti-Inflammatory Related Fatty Acid Profile in Preterm Neonates: A Randomized, Double-Blind Clinical Trial
PubMed ID: 33207743
Preterm neonates on MCT/ω‑3 emulsions had increased EPA and lower ω‑6/ω‑3 ratio—plasma shifts associated with anti‑inflammatory profile.
- Supplementation of omega-3 fatty acids in parenteral nutrition beneficially alters phospholipid fatty acid pattern
PubMed ID: 17202435
Omega‑3 + MCT PN increased EPA/DHA in blood and RBCs postoperatively—biochemical basis for reduced inflammation.
- Impact of omega-3 fatty acid enriched TPN on leukotriene synthesis by leukocytes after major surgery
PubMed ID: 12553951
Postoperative MCT/fish oil TPN increased LTB5/LTB4 ratio (less potent leukotrienes)—direct anti‑inflammatory/immunomodulatory effect.
- Parenteral MCT/ω-3 Polyunsaturated Fatty Acid-Enriched Intravenous Fat Emulsion Is Associated With Cytokine and Fatty Acid Profiles Consistent With Attenuated Inflammatory Response in Preterm Neonates: A Randomized, Double-Blind Clinical Trial
PubMed ID: 26378118
Preterm neonates receiving MCT + n‑3 had lower IL‑6 and IL‑8 and higher EPA/DHA—clear immune/inflammatory benefit.
Metabolism (4)
- Postprandial metabolism with 1,3-diacylglycerol oil versus equivalent intakes of long-chain and medium-chain triacylglycerol oils
PubMed ID: 19217260
Strong RCT evidence: MCT meal markedly reduced postprandial TG (−73% iAUC) and increased ketones—robust metabolic benefits.
- Dietary medium-chain triacylglycerols suppress accumulation of body fat in a double-blind, controlled trial in healthy men and women
PubMed ID: 11694608
12‑week RCT: MCT reduced body weight and fat vs LCT, reflecting sustained metabolic effects.
- Weight-loss diet that includes consumption of medium-chain triacylglycerol oil leads to a greater rate of weight and fat mass loss than does olive oil
PubMed ID: 18326600
16‑week trial: sustained moderate MCT intake produced greater weight and fat mass loss vs olive oil (meaningful metabolic impact).
- Effects of dietary medium-chain triglyceride on weight loss and insulin sensitivity in a group of moderately overweight free-living type 2 diabetic Chinese subjects
PubMed ID: 17570262
90‑day MCT in T2D adults improved weight and insulin-resistance indices vs corn oil (metabolic benefit).
Healthy aging (3)
- Medium-chain triglycerides improved cognition and lipid metabolomics in mild to moderate Alzheimer's disease patients with APOE4(-/-): A double-blind, randomized, placebo-controlled crossover trial
PubMed ID: 31694759
MCT improved cognition in AD patients (APOE4− subgroup), supporting cognitive aspects of healthy aging.
- Impact of medium-chain triglycerides on gait performance and brain metabolic network in healthy older adults: a double-blind, randomized controlled study
PubMed ID: 35380356
RCT in older adults improved balance and altered brain glucose metabolism linked to gait control.
- Effects of Timing of Medium-Chain Triglycerides (8:0 and 10:0) Supplementation during the Day on Muscle Mass, Function and Cognition in Frail Elderly Adults
PubMed ID: 35122097
Frail elderly RCT increased arm muscle area and improved leg function (relevant to healthy aging).
Energy & Fatigue (3)
- Gastrointestinal tolerance, fat absorption, plasma ketone and urinary dicarboxylic acid levels in low-birth-weight infants fed different amounts of medium-chain triglycerides in formula
PubMed ID: 8229541
MCT increased plasma ketone concentrations relatively rapidly in infants—biochemical evidence for fast‑available energy substrate.
- Medium-chain triglycerides improved cognition and lipid metabolomics in mild to moderate Alzheimer's disease patients with APOE4(-/-): A double-blind, randomized, placebo-controlled crossover trial
PubMed ID: 31694759
MCT raised circulating ketones which serve as a rapid, portable energy substrate for brain and muscle.
- Postprandial metabolism with 1,3-diacylglycerol oil versus equivalent intakes of long-chain and medium-chain triacylglycerol oils
PubMed ID: 19217260
Meal MCT increased β‑hydroxybutyrate postprandially—indicative of quick ketone energy availability.
Focus & concentration (3)
- Medium-chain triglycerides improved cognition and lipid metabolomics in mild to moderate Alzheimer's disease patients with APOE4(-/-): A double-blind, randomized, placebo-controlled crossover trial
PubMed ID: 31694759
Cognitive improvements in AD subgroup and ketone increases could support attention/focus.
- Gastrointestinal tolerance, fat absorption, plasma ketone and urinary dicarboxylic acid levels in low-birth-weight infants fed different amounts of medium-chain triglycerides in formula
PubMed ID: 8229541
MCT increased plasma ketones in infants; ketones are plausible acute brain fuel supporting focus (biochemical evidence).
- Both a single dose and a 4-week daily regimen of medium-chain triglycerides boost certain aspects of cognitive function in young adults: A randomized controlled trial
PubMed ID: 41443401
Young adult RCT found acute improvement in inhibitory control and 4‑week working memory gains with MCT.
Mental clarity (3)
- Gastrointestinal tolerance, fat absorption, plasma ketone and urinary dicarboxylic acid levels in low-birth-weight infants fed different amounts of medium-chain triglycerides in formula
PubMed ID: 8229541
MCT increased plasma ketones (brain fuel surrogate); ketones can support cognition/clarity—biochemical support but not cognitive testing here.
- Medium-chain triglycerides improved cognition and lipid metabolomics in mild to moderate Alzheimer's disease patients with APOE4(-/-): A double-blind, randomized, placebo-controlled crossover trial
PubMed ID: 31694759
30‑day MCT in mild–moderate AD raised ketones and improved cognition in APOE4‑ patients (clinically relevant cognitive benefit).
- Both a single dose and a 4-week daily regimen of medium-chain triglycerides boost certain aspects of cognitive function in young adults: A randomized controlled trial
PubMed ID: 41443401
Young adult RCT showed acute and 4‑week improvements in inhibitory control and working memory with MCT.
Fat burn (3)
- Weight-loss diet that includes consumption of medium-chain triacylglycerol oil leads to a greater rate of weight and fat mass loss than does olive oil
PubMed ID: 18326600
16‑week weight‑loss program showed greater fat-mass loss with MCT vs olive oil (clinically meaningful fat loss).
- Postprandial metabolism with 1,3-diacylglycerol oil versus equivalent intakes of long-chain and medium-chain triacylglycerol oils
PubMed ID: 19217260
MCT reduced postprandial TGs and increased ketones—favors fat mobilization and oxidation.
- Gastrointestinal tolerance, fat absorption, plasma ketone and urinary dicarboxylic acid levels in low-birth-weight infants fed different amounts of medium-chain triglycerides in formula
PubMed ID: 8229541
Increased ketones indicate enhanced short‑term fat oxidation/metabolism with MCT; direct fat‑loss outcomes not measured.
Nutrient uptake (2)
- Antioxidant status of surgical patients receiving TPN with an omega-3-fatty acid-containing lipid emulsion supplemented with alpha-tocopherol
PubMed ID: 10895108
MCT‑containing emulsion with α‑tocopherol restored plasma vitamin E in TPN patients, indicating improved delivery/availability of that nutrient.
- Effects of two different lipid emulsions on antioxidant status, lipid peroxidation and parenteral nutrition- related cholestasis in premature babies, a randomized-controlled study
PubMed ID: 30177465
Neonates on fish‑oil/MCT emulsion regained weight sooner and had less PN‑associated cholestasis—better overall PN tolerance/uptake signal.
Digestive support (1)
- Effects of two different lipid emulsions on antioxidant status, lipid peroxidation and parenteral nutrition- related cholestasis in premature babies, a randomized-controlled study
PubMed ID: 30177465
Preterm infants receiving fish‑oil/MCT emulsion regained weight sooner and had less cholestasis vs olive/soy—improved GI/PN tolerance signal.
Heart health (1)
- Postprandial metabolism with 1,3-diacylglycerol oil versus equivalent intakes of long-chain and medium-chain triacylglycerol oils
PubMed ID: 19217260
Large reduction in postprandial triglycerides in insulin‑resistant adults, a cardiometabolic benefit.
Similar by evidence
Supplements the same benefits carry qualifying findings for — a fact about the evidence graph, not a recommendation to swap.
Products with MCT Oil
Search all120 products whose verified label declares MCT Oil — not every bottle that mentions it in a title.
Being studied right now
Recruiting clinical trials registered on ClinicalTrials.gov. A trial in progress has no result yet — this is what the field is asking, not what it found.