Tocotrienols
The other half of the vitamin E family, and the half almost every vitamin E supplement leaves out. Structurally different from tocopherols in a way that changes what they do.
Tocotrienols quick facts
| Suggested dose | 100–300 mg daily of a tocotrienol-rich fraction, with food. |
| How often | daily |
| Who it's for | NAFLD, or dyslipidemia where you want something beyond sterols. |
Genuinely different from ordinary vitamin E rather than a variant of it, and the cholesterol mechanism is the best-supported use. The critical formulation detail: alpha-tocopherol interferes with tocotrienol absorption and blunts the lipid effect, so a product containing both undermines itself. Annatto-derived is tocopherol-free, which is why it is specified.
How Tocotrienols actually works
The other half of the vitamin E family, and mechanistically distinct from tocopherols. Tocotrienols suppress HMG-CoA reductase by promoting its degradation rather than inhibiting it competitively — a different route to the same target as statins. Delta and gamma tocotrienol also show senolytic-adjacent activity in preclinical work and better tissue penetration than alpha-tocopherol.
Where to get Tocotrienols
Find Tocotrienols on iHerb →The evidence for Tocotrienols
Graded by what exists behind each claim.
✅ Clinically validated
- RCTs show reductions in total and LDL cholesterol at 200–300 mg/day of delta-tocotrienol, though results are inconsistent across trials.
- Trials report reduced liver fat and improved liver enzymes in NAFLD.
- Bone density trials in postmenopausal women show improved bone turnover markers. Small and mostly Malaysian.
📊 Correlative data
- Populations consuming palm and rice bran oils have measurably higher tocotrienol status, and the interest in them grew from comparing those populations. The effect sizes attributed to them have not held up well in trials.
🧪 Theoretical / extrapolated benefits
- Suppresses HMG-CoA reductase post-transcriptionally — a different mechanism from statins acting on the same enzyme.
How to read these tiers: they say how much human evidence exists, not how well something works — and ✗ flags harm, never a disappointing trial. How the evidence tiers work →
What Tocotrienols actually does
Tocotrienols and tocopherols share a chromanol head and differ only in the tail: tocopherols carry a saturated phytyl chain, tocotrienols carry the same chain with three double bonds in it. Three double bonds is the entire structural difference, and it produces a molecule that is shorter, kinkier and more mobile inside a membrane — which is why the two halves of the vitamin E family do measurably different things despite being sold under one name.
The mechanism claim is unusually specific, and it is not the statin mechanism. A statin is a competitive inhibitor that occupies the active site of HMG-CoA reductase. Tocotrienols instead reduce the amount of reductase protein present: the enzyme is suppressed post-transcriptionally, and the original experiment measured every step. In HepG2 cells gamma-tocotrienol gave half-maximal inhibition of cholesterol synthesis at approximately 2 micromolar, with effects visible within 6 hours; at 10 micromolar the half-life of the reductase protein fell from 3.73 to 1.59 hours, its degradation rate rose 2.4-fold, and its synthesis dropped to 57% of control — while reductase messenger RNA fell far less than the protein did Parker 1993. Mechanistically this is sterol-sensing territory — the reductase carries a sterol-sensing domain that, when occupied by an isoprenoid-derived signal, hands the enzyme to Insig-mediated ubiquitination and proteasomal destruction. A farnesylated tail is exactly the kind of ligand that domain evolved to read. That makes tocotrienol a plausible physiological brake on the mevalonate pathway rather than a foreign inhibitor of it, and it predicts something a statin does not: the effect should saturate, because you can only degrade the enzyme you have.
The same structure explains the interference problem, which is the most practically important fact on this page. Alpha-tocopherol and the tocotrienols compete for the same handling machinery — the hepatic alpha-tocopherol transfer protein preferentially loads alpha-tocopherol into nascent VLDL, so a high alpha-tocopherol intake crowds tocotrienols out of the lipoprotein pool that distributes them. This is not a theory. Dietary alpha-tocopherol measurably attenuated gamma-tocotrienol's suppression of hepatic HMG-CoA reductase activity Qureshi 1996, and a separate study comparing alpha-tocopherol and tocotrienol administration on serum lipids and liver reductase activity reached the same conclusion from the other direction Khor 2000. If you take a conventional vitamin E capsule — which is alpha-tocopherol, essentially always — alongside a tocotrienol product, you are paying for one and defeating it with the other.
Which isomer, and why delta and gamma. The four tocotrienols differ in chromanol methylation: alpha is trimethyl, gamma dimethyl, delta monomethyl. Potency for reductase suppression runs in the opposite direction to antioxidant convention — the less-methylated delta and gamma forms are the active ones for this endpoint, and alpha-tocotrienol is the weakest Parker 1993. A ‘tocotrienol-rich fraction’ from palm oil is roughly one-quarter alpha-tocopherol by weight, which means the cheapest source of the active isomers arrives pre-mixed with the antagonist.
Cell, rodent, human — and where it stops
In cells. HepG2 hepatoma cultures, gamma-tocotrienol at 2–10 micromolar, effects on reductase protein mass and cholesterol synthesis within 6 hours Parker 1993. Hold that range, because it is the one number on this page that does not obviously fail the transfer to a human: tocotrienols are fat-soluble and travel in lipoproteins rather than being conjugated away like the polyphenols in this cohort, so low micromolar in plasma is not an absurd target. What is missing is that not one of the human trials below reported a plasma tocotrienol concentration alongside its endpoint, so nobody can say whether the null lipid results are a failed mechanism or a failed exposure.
In animals. Chickens fed alpha-tocopherol alongside gamma-tocotrienol, reading hepatic reductase activity directly Qureshi 1996; rats and hamsters on tocotrienol-supplemented diets reading serum lipids and liver reductase together Khor 2000. Both are enzyme-level experiments in animals whose lipoprotein biology is not human, and both were done at intakes well above dietary.
In people, the lipid claim keeps failing. Sixty-seven men and women with hypercholesterolemia took 200 mg of tocotrienols a day for 28 days across three compositionally different preparations: no significant differences in mean lipid or glucose concentrations Mustad 2002. Men with mildly elevated lipids took a vitamin E concentrate rich in tocotrienols: no effect on serum lipids, lipoproteins or platelet function Mensink 1999. A palm-oil tocotrienol plus citrus flavone combination did not influence elevated LDL cholesterol or high-sensitivity C-reactive protein Schuchardt 2015. And a trial of alpha-, gamma- and delta-tocotrienyl acetate in hypercholesterolemic humans tested the oxidation hypothesis rather than the synthesis one O'Byrne 2000. This site's card says trials show reductions in total and LDL cholesterol at 200–300 mg/day though results are inconsistent. The trials assembled here are not inconsistent about lipids; they are null about lipids.
The liver claim is a different story and it is the better one. Eighty-seven patients with nonalcoholic fatty liver took 200 mg of tocotrienols twice daily for a full year: normalization of hepatic echogenic response on ultrasound was significantly more frequent than placebo (P = 0.039, 95% CI 0.896–6.488) Magosso 2013. Seventy-one patients took 300 mg of delta-tocotrienol twice daily for twelve weeks, with falls in serum aminotransferases, hs-CRP, malondialdehyde and fatty liver index (p < 0.001) Pervez 2018.
The specific obstacle is that the doses that worked are above the dose on the label. The liver trials ran at 400 mg/day and 600 mg/day Magosso 2013Pervez 2018. This site's card recommends 100–300 mg daily. A reader taking 200 mg is at half the dose of the year-long ultrasound trial and a third of the dose of the twelve-week enzyme trial, and the null lipid trials were run precisely in that lower band Mustad 2002. The dose is not a detail here; it is the difference between the trials that worked and the trials that did not.
Tocotrienols — which form, and does it matter
Annatto versus palm is the only form question that matters, and it is really a question about what is absent. Palm-derived tocotrienol-rich fractions contain a substantial alpha-tocopherol fraction. Annatto-derived tocotrienol is essentially tocopherol-free and heavily weighted to delta with a minority of gamma — the two isomers that suppress the reductase most strongly Parker 1993. Given that alpha-tocopherol measurably attenuates the effect Qureshi 1996Khor 2000, the tocopherol-free source is not a marketing preference. It is the only version of the product whose own contents are not working against it.
Ask for the isomer split as a number. A label reading ‘tocotrienols 125 mg’ has told you nothing. What you need is milligrams of delta and milligrams of gamma. The delta-tocotrienol liver trial used 300 mg of delta twice daily Pervez 2018; a product that is 90% delta and one that is 90% alpha both satisfy the word on the front and differ entirely in what the label evidence supports.
Take it with fat, and separate it from your multivitamin by hours. These are fat-soluble molecules absorbed with dietary lipid, so a fasted dose is a wasted dose. The separation rule is more specific than the usual advice: almost every multivitamin, and every product labeled simply ‘vitamin E’, delivers alpha-tocopherol, which is the antagonist Qureshi 1996. Tocotrienols with your fattiest meal, alpha-tocopherol-containing products at the opposite end of the day, or not at all.
Tocotrienyl acetate is not tocotrienol. The esterified form used in one of the human oxidation studies O'Byrne 2000 requires esterase hydrolysis before it is the free chromanol, which adds a step and a source of variability. Where a label says acetate or succinate, the evidence you are relying on may belong to the free form.
What would have to be true, and how you would know it was not
1. LDL cholesterol and ApoB: no meaningful change at 12 weeks on 100–300 mg/day. This is the prediction that cuts against the product and it is the best-supported one here. Three human trials at or near that dose band found nothing on lipids Mustad 2002Mensink 1999Schuchardt 2015. Read ApoB rather than LDL-C because it counts atherogenic particles instead of their cargo, and read it at twelve weeks because the circulating LDL pool re-equilibrates within about three weeks of any change in production or clearance. If you are buying tocotrienols to move a lipid panel, the published trials say you will be disappointed.
2. ALT and GGT down at 12 weeks on 600 mg/day of delta, if you start with fatty liver. The delta-tocotrienol trial at 300 mg twice daily lowered aminotransferases and hs-CRP at p < 0.001 in patients with nonalcoholic fatty liver Pervez 2018. Predict ALT down 20–30% from a raised baseline and no change at all from a normal one. This is the strongest positive prediction on the page and it applies to a specific population, not to everyone.
3. hs-CRP down 0.5–1.0 mg/L from a baseline above 2 mg/L Pervez 2018, and flat in someone starting below 1. The combination trial that included tocotrienols found no hs-CRP effect Schuchardt 2015, so this prediction is dose- and population-dependent and should be stated as such.
4. The discriminating experiment you can run on yourself. Take the tocotrienol and any alpha-tocopherol-containing product together for eight weeks, then twelve hours apart for eight weeks, ALT or the lipid panel at each end. The interference literature predicts the separated arm wins Qureshi 1996Khor 2000. If it does not, the alpha-tocopherol warning that everybody repeats has not been shown to matter at human doses, which is worth knowing.
What will fool you: a fatty-liver ultrasound report. Hepatic echogenicity is graded by eye and moves with weight, alcohol and the week you had before the scan; the year-long trial needed 87 patients and still landed at P = 0.039 Magosso 2013. One person's before-and-after scan is not evidence of anything.
What nobody has tested yet
Nobody has measured sterol synthesis markers in a human taking tocotrienols. Serum lathosterol and desmosterol track cholesterol synthesis directly and ride on a tube of blood already being drawn. If the post-transcriptional reductase mechanism Parker 1993 operates at human oral doses, lathosterol must fall even when LDL cholesterol does not — and that would explain every null lipid trial on this page as a compensation effect rather than an absence of mechanism. The experiment is two extra assays and it has never been run.
The alpha-tocopherol interference has never been quantified in people. It is established in chickens Qureshi 1996 and supported in rodents Khor 2000, and every product label and every article — including this site's own card — repeats it as fact. A three-arm human trial (tocotrienol alone, tocotrienol plus 400 IU alpha-tocopherol, placebo) with plasma tocotrienol concentrations as the endpoint would take six weeks and would tell several million people whether their current stack is self-canceling. Its absence is the single most conspicuous hole in this literature.
No trial has separated delta from gamma at matched dose. The liver trials used a mixed tocotrienol-rich fraction Magosso 2013 and a delta-dominant preparation Pervez 2018 at different doses for different durations. Whether delta is genuinely the active isomer in a human, as the cell work implies Parker 1993, is an assumption the human literature has never tested.
And nobody has run a liver-fat trial with a modern endpoint. Ultrasound echogenicity was a reasonable primary outcome in 2013 Magosso 2013. MRI proton density fat fraction now measures liver fat to a fraction of a percent, and transient elastography measures stiffness. A twelve-week delta-tocotrienol trial with MRI-PDFF would convert this compound's best claim from suggestive to settled.
Tocotrienols — its own safety story, not its category's
This product's characteristic risk is that it is a vitamin E, and vitamin E inhibits platelets. The tocotrienol trial that measured platelet function directly found no effect at the dose tested Mensink 1999, which is reassuring and is not the same as proof at 600 mg of delta. Treat the interaction as real: additive with warfarin, apixaban, rivaroxaban, clopidogrel and aspirin at any dose, pharmacodynamic rather than metabolic, so it appears as bruising, nosebleeds or a raised INR rather than as a changed drug level. Two weeks off before surgery or dental extraction.
The interaction nobody warns about is with the rest of your vitamin E. The competition described above runs both ways: sustained high-dose tocotrienol intake can depress alpha-tocopherol status, and alpha-tocopherol is the form with the recommended intake, the deficiency syndrome and the neurological consequences. Anyone taking 600 mg of delta-tocotrienol daily for a year Magosso 2013 without any alpha-tocopherol at all is running an experiment on the other half of the vitamin, and serum alpha-tocopherol is a cheap test.
The statin question, stated correctly. The card says tocotrienols may reduce the cholesterol-lowering effect of statins at high doses. The mechanism that would produce that is competition within the same mevalonate feedback loop — a statin blocks the enzyme and the cell responds by making more of it, while tocotrienol acts on the amount of enzyme rather than its activity. Whether those two interventions add, cancel or interfere in a human has never been measured. If you are on a statin and add this, repeat the lipid panel at eight weeks rather than assuming either direction.
Fat-soluble means accumulating, and the human record is short. The longest human tocotrienol trial on this page ran one year Magosso 2013; the rest ran four to twelve weeks. These are lipid-soluble molecules taken daily and indefinitely by people whose reason for taking them is prevention. Gastrointestinal upset at higher doses is the ordinary tolerability complaint and is the least interesting thing on this page.
Sources read for this page
- Parker RA, et al. Tocotrienols regulate cholesterol production in mammalian cells by post-transcriptional suppression of 3-hydroxy-3-methylglutaryl-coenzyme A reductase. Journal of Biological Chemistry 1993 · PMID 8388388
- Qureshi AA, et al. Dietary alpha-tocopherol attenuates the impact of gamma-tocotrienol on hepatic 3-hydroxy-3-methylglutaryl coenzyme A reductase activity in chickens. Journal of Nutrition 1996 · PMID 8632210
- Khor HT, Ng TT. Effects of administration of alpha-tocopherol and tocotrienols on serum lipids and liver HMG CoA reductase activity. International Journal of Food Sciences and Nutrition 2000 · PMID 11271854
- Mustad VA, et al. Supplementation with 3 compositionally different tocotrienol supplements does not improve cardiovascular disease risk factors in men and women with hypercholesterolemia. American Journal of Clinical Nutrition 2002 · PMID 12450888
- Mensink RP, et al. A vitamin E concentrate rich in tocotrienols had no effect on serum lipids, lipoproteins, or platelet function in men with mildly elevated serum lipid concentrations. American Journal of Clinical Nutrition 1999 · PMID 9989682
- Schuchardt JP, et al. A combination of palm oil tocotrienols and citrus peel polymethoxylated flavones does not influence elevated LDL cholesterol and high-sensitivity C-reactive protein levels. European Journal of Clinical Nutrition 2015 · PMID 25828621
- O'Byrne D, et al. Studies of LDL oxidation following alpha-, gamma-, or delta-tocotrienyl acetate supplementation of hypercholesterolemic humans. Free Radical Biology & Medicine 2000 · PMID 11063909
- Magosso E, et al. Tocotrienols for normalisation of hepatic echogenic response in nonalcoholic fatty liver: a randomised placebo-controlled clinical trial. Nutrition Journal 2013 · PMID 24373555
- Pervez MA, et al. Effects of Delta-tocotrienol Supplementation on Liver Enzymes, Inflammation, Oxidative stress and Hepatic Steatosis in Patients with Nonalcoholic Fatty Liver Disease. Turkish Journal of Gastroenterology 2018 · PMID 29749323
How you would know if it worked
One of the few products in this category whose entire case is a number. The delta-tocotrienol trials measured total and LDL cholesterol and were inconsistent enough that a panel is the only way to find out which kind of responder you are, with ApoB counting the particles rather than estimating them from cholesterol. The CMP is the second half: the fatty-liver trials reported reduced liver fat and improved enzymes, so ALT and AST are where that claim lands. Control one thing before you draw — high-dose alpha-tocopherol interferes with tocotrienol absorption, so a null result taken alongside an ordinary vitamin E tested your timing, not the molecule.
- Lipid Panel (Cholesterol, HDL, LDL, Triglycerides) Retest: Every 3–6 months on androgens; annually otherwise.
- ApoB (Apolipoprotein B) Retest: Every 3–6 months on androgens or after any intervention; annually otherwise.
- Comprehensive Metabolic Panel (CMP) Retest: Every 3–6 months on any oral compound; annually otherwise.
The cheapest panel carrying Lipid Panel (Cholesterol, HDL, LDL, Triglycerides) and at least one other of these is The Basics — Start Here, at $36 — the panel is named for a different question, and the marker is the same marker. That is the whole cost of finding out.
Draw before you start, not after. A result with nothing to compare it to answers nothing.
Tocotrienols — safety & side effects
- Well tolerated; GI upset at higher doses.
- Antiplatelet activity like other vitamin E forms — Additive bleeding risk with anticoagulants and antiplatelets — warfarin, apixaban, rivaroxaban, clopidogrel, and aspirin at any dose. The interaction is pharmacodynamic rather than metabolic, so it does not show up as a changed drug level; it shows up as bruising, nosebleeds or a raised INR. Stop at least two weeks before any surgery or dental extraction. Surgeons ask about prescription blood thinners and rarely about supplements, so this one is on you to volunteer.
- May reduce the cholesterol-lowering effect of statins at high doses. Avoid taking large amounts of alpha-tocopherol alongside, which interferes with tocotrienol absorption.
Not medical advice. If you take prescription medication or have a diagnosed condition, check this against it with a pharmacist or doctor — pharmacists are underused and free.
- When to take it, and what to take it with
- Which form actually absorbs
- Who it's worth it for
- Coach Cam's stacks and notes
- Fasted or with food, and when in the day
- Morning or night, and why that window
- Around training, or deliberately away from it
- What it must not share a window with
Everything above is free and stays free. Skool is where it becomes a plan — Tocotrienols in an order, with the rest of what you're running.
Unlock in Skool — $10/mo →Bloodwork to run alongside Tocotrienols
Baseline first, then again at 8–12 weeks.
| Marker | What it’s watching for |
|---|---|
| hs-CRP (High-Sensitivity C-Reactive Protein) | The inflammation these are aimed at |
| ApoB (Apolipoprotein B) | Cardiovascular risk, measured properly |
| HbA1c (Hemoglobin A1c) | Glycation over three months |
| Comprehensive Metabolic Panel (CMP) | Liver and kidney baseline |
The Longevity Baseline panel covers these in one order — 13 markers, $219.10 with the discount applied.
Check results you already have → · All 103 markers A–Z
Tocotrienols — frequently asked questions
What is Tocotrienols?
The other half of the vitamin E family, and the half almost every vitamin E supplement leaves out. Structurally different from tocopherols in a way that changes what they do.
What is the suggested dose of Tocotrienols?
100–300 mg daily of a tocotrienol-rich fraction, with food. This is a general reference for education only — statements have not been evaluated by the FDA and this is not medical advice.
Where can I find Tocotrienols dosing and the full breakdown?
The suggested dose and the full evidence — clinical, correlative and theoretical — are on this page. What's inside Skool is when to take it, which form actually absorbs, the brand worth buying and Coach Cam's stacks.
Where can I buy Tocotrienols?
Coach Cam sources Tocotrienols from vetted, top-rated brands on iHerb — use the buy link on this page.
What Tocotrienols is used for
Tocotrienols appears under 2 goals in the goal router.
Related Longevity & Antioxidants supplements
Where this goes next
The pages here are the frameworks. The protocols — the dosing, the order to correct things in, the week-by-week schedule and what to retest — are inside Skool.