Clarified Butter: Composition, Benefits, and the Fat Debate

What makes ghee different from butter, how its butyrate and CLA content affect your health, and what human trials actually show about its effect on cholesterol.

Ghee is butter with the milk solids and water removed, leaving almost pure clarified fat. It has been a staple of Indian cooking and Ayurvedic medicine for thousands of years — and recent research is confirming that its unique fatty acid profile, including butyrate and conjugated linoleic acid (CLA), makes it genuinely different from most other cooking fats [1]. At moderate intake, human trials show it does not meaningfully worsen cardiovascular risk in healthy people [8], and it handles high-heat cooking without producing the oxidized byproducts that damage refined vegetable oils [6].

What Makes Ghee Different

When butter is simmered and the milk solids skimmed off, you are left with a fat that is roughly 60% saturated, 25% monounsaturated, and 5% polyunsaturated. What distinguishes ghee from other saturated fats is what else it contains.

Butyric acid (butyrate) makes up about 3–4% of ghee's fatty acids [1]. Butyrate is a short-chain fatty acid that colonocytes (the cells lining your colon) use as their primary fuel. It also acts as a histone deacetylase inhibitor — a mechanism that reduces inflammatory signaling in the gut and is an active area of research in inflammatory bowel disease and colorectal cancer prevention. Most of the butyrate you hear about comes from gut bacteria fermenting dietary fiber, but dietary butyrate from ghee is absorbed directly in the small intestine and reaches circulation in a different way.

Conjugated linoleic acid (CLA) is present at around 0.8% of fatty acids in standard ghee, and substantially higher in ghee made from grass-fed milk [3]. CLA has been studied for anti-inflammatory, antioxidant, and body composition effects. Animal research shows CLA-enriched ghee increases activity of catalase and superoxide dismutase (the body's primary antioxidant enzymes), lowers triglycerides, and raises HDL cholesterol [3].

Fat-soluble vitamins — A, D, E, and K2 — are preserved in ghee because clarification removes water and protein but not fat-soluble compounds. A 2024 systematic review quantified these at approximately 28 IU/g vitamin A, 11 IU/g vitamin D, and 31 IU/g vitamin E [1]. Vitamin K2, important for calcium routing to bones rather than arteries, is also present and is covered on our Vitamin K2 page.

Heat stability is a practical advantage. Ghee's negligible moisture and high smoke point (~250°C) mean it does not oxidize or smoke at normal cooking temperatures. Refined seed oils with high polyunsaturated fat content form toxic aldehydes when overheated — ghee does not carry this risk [6].

Making and Choosing Ghee

Traditional Ayurvedic ghee ("ghrita") starts with cultured butter — made from yogurt or fermented cream — rather than sweet cream butter. A 2014 study found that this fermentation step significantly increases DHA (a long-chain omega-3) in the final product, likely because the lactobacillus cultures elongate precursor fatty acids during fermentation [7]. Commercial ghee made from direct cream skips this step and produces a nutritionally inferior product.

For highest nutritional value: look for ghee made from grass-fed cow milk (higher CLA and fat-soluble vitamins), prepared using the cultured/traditional method when possible. One to two tablespoons per day is a reasonable amount for cooking or spreading.

The Cholesterol Question

The concern that saturated fat raises LDL and drives heart disease has made dairy fats controversial. What do the human trials actually show for ghee specifically?

A 2005 Indian RCT (63 healthy adults, 8 weeks) found that replacing part of mustard oil with ghee at 10% of energy intake raised total cholesterol, but HDL cholesterol rose proportionally — the total cholesterol/HDL ratio, the more meaningful cardiovascular marker, did not change significantly [8].
A 2010 Iranian RCT (129 adults, 40 days) compared liquid vegetable oil, hydrogenated oil, and ghee. The liquid vegetable oil group showed significant HDL reduction; the ghee group did not [5].
A 2022 crossover RCT comparing ghee to olive oil (30 healthy adults, 4 weeks each) found ghee raised apolipoprotein B and non-HDL cholesterol compared to olive oil, though the differences were modest and LDL change was not statistically significant [4].

The picture is nuanced. Ghee is not olive oil, and olive oil remains the better-studied cardiovascular fat. But ghee is clearly not hydrogenated vegetable oil either — and the comparison that matters most for most people is: is ghee worse than the refined seed oils and partially hydrogenated fats it might replace? The evidence suggests it is not [5][6].

See our Seed Oils page and Coconut Oil page for related context on cooking fat choices.

Evidence Review

Composition Studies

The most comprehensive modern analysis comes from Kataria & Singh (2024), a systematic review drawing on 109 PubMed studies alongside traditional Ayurvedic texts [1]. They report ghee's fatty acid profile as approximately 60% saturated (with butyric acid at 3.17 ± 0.78%), 25% monounsaturated, and 5% polyunsaturated, with CLA at 0.80 ± 0.35%. Fat-soluble vitamin content: vitamin A 28.21 IU/g, vitamin D 11.42 IU/g, vitamin E 31.55 IU/g, with K2 confirmed present. A companion 2024 review (Falahatzadeh et al.) extends this to proposed mechanisms for bone and joint health — vitamin D and K2 supporting bone mineralization, butyrate reducing articular inflammation, vitamin A supporting cartilage matrix integrity [2]. Both reviews have appropriate limitations: they are narrative/systematic reviews of heterogeneous studies rather than clinical trials.

CLA Research

Chinnadurai et al. (2013) conducted a controlled animal study in female Wistar rats comparing standard ghee to CLA-enriched ghee made from high-CLA milk [3]. CLA-enriched ghee significantly increased catalase and superoxide dismutase activity (p<0.05), lowered total cholesterol and triglycerides, and raised HDL-C compared to controls. Liver histology showed normal architecture in the CLA-ghee group versus fatty degeneration in controls fed standard ghee at equivalent doses. The authors describe this as the first study demonstrating antiatherogenic properties of CLA-enriched ghee. Limitation: animal model only; CLA levels in commercially available ghee vary widely by the cow's diet.

Human Lipid Trials

Shankar et al. (2005) [8] conducted an 8-week RCT in 63 healthy young adults replacing part of mustard oil intake with ghee at 10% of energy. Total cholesterol rose at 4 and 8 weeks in the ghee group, but HDL rose proportionally. The TC/HDL ratio — the most clinically meaningful lipid ratio for cardiovascular risk — showed no statistically significant change. The study is limited by its young, physically active population, which may not generalize to older or sedentary adults.

Mohammadifard et al. (2010) [5] compared three fat types in 129 adults over 40 days. The key finding relevant to ghee: the liquid vegetable oil group showed significant HDL-C reduction, while the ghee group maintained HDL. Triglycerides also declined in the ghee group. The hydrogenated oil group, as expected, performed worst. This study directly challenges the assumption that any saturated fat is worse than refined vegetable oil.

Mohammadi Hosseinabadi & Nasrollahzadeh (2022) [4] used a rigorous two-period crossover design in 30 healthy adults, 4 weeks per arm, comparing ghee to olive oil. Ghee raised apolipoprotein B by 0.09 g/L (p=0.018) and non-HDL cholesterol by 0.53 mmol/L (p=0.046) versus olive oil. LDL-C difference was not statistically significant. No significant differences were found in triglycerides, glucose, insulin, or PAI-1 (a clotting factor). This is the most methodologically rigorous head-to-head trial. The finding that ghee raises some atherogenic lipid markers compared to olive oil is real, but the clinical significance of these modest differences in a 4-week trial of healthy adults is uncertain.

Oxidative Stress and Liver Safety

Sharma et al. (2010) fed Fischer inbred rats ghee at 10% of dietary fat for 4 months and found no significant increase in liver microsomal lipid peroxidation and no elevation in hepatic enzymes [6]. This is important because oxidized lipids are considered a key driver of atherosclerosis. The authors also note that the epidemiological association between ghee consumption and coronary disease in Asian Indians is likely confounded by vegetable ghee (which contains trans fats), high-carbohydrate diets, stress, and metabolic syndrome — not traditional clarified butter.

Traditional Preparation and DHA

Joshi (2014) analyzed fatty acid profiles of ghee made by the traditional Ayurvedic method (starting from cultured curd) versus commercial direct-cream ghee [7]. Traditional ghee showed significantly higher DHA content (p<0.05). The proposed mechanism is that Lactobacillus cultures in the fermentation step elongate alpha-linolenic acid precursors into DHA. The study is small (laboratory analysis), but it provides a modern biochemical rationale for why traditional preparation methods may matter nutritionally.

Evidence Summary

Outcome	Evidence Level	Direction
Butyrate content, gut epithelial fuel	Compositional studies	Present at ~3–4% of fatty acids
CLA, antioxidant effects	Animal RCT	Positive at high-CLA doses
Lipid profile vs. mustard oil	Human RCT	Neutral (TC/HDL unchanged)
Lipid profile vs. refined vegetable oil	Human RCT	Favorable (HDL preserved)
Lipid profile vs. olive oil	Human crossover RCT	Modestly inferior on some markers
Oxidative stress / liver safety	Animal study	No harm at moderate doses
Fat-soluble vitamin delivery	Compositional	Present; higher in grass-fed sources

The overall picture: ghee is a traditional fat with a meaningful nutritional profile that compares favorably to refined vegetable oils and neutrally or modestly inferior to olive oil on cardiovascular markers. Its butyrate content and heat stability are genuine practical advantages. Grass-fed sourcing and traditional preparation maximize its nutritional value.

References

Health benefits of ghee: Review of Ayurveda and modern science perspectivesKataria D, Singh G. Journal of Ayurveda and Integrative Medicine, 2024. PubMed 38181707 →
From tradition to science: Possible mechanisms of ghee in supporting bone and joint healthFalahatzadeh M, Najafi K, Bashti K. Prostaglandins & Other Lipid Mediators, 2024. PubMed 39313022 →
High conjugated linoleic acid enriched ghee (clarified butter) increases the antioxidant and antiatherogenic potency in female Wistar ratsChinnadurai K, Kanwal HK, Tyagi AK, Stanton C, Ross P. Lipids in Health and Disease, 2013. PubMed 23923985 →
Effects of diets rich in ghee or olive oil on cardiometabolic risk factors in healthy adults: a two-period, crossover, randomised trialMohammadi Hosseinabadi S, Nasrollahzadeh J. British Journal of Nutrition, 2022. PubMed 34794522 →
Effect of hydrogenated, liquid and ghee oils on serum lipids profileMohammadifard N, Nazem M, Naderi GA, et al.. ARYA Atherosclerosis, 2010. PubMed 22577408 →
The effect of ghee (clarified butter) on serum lipid levels and microsomal lipid peroxidationSharma H, Zhang X, Dwivedi C. Ayu, 2010. PubMed 22131700 →
Docosahexaenoic acid content is significantly higher in ghrita prepared by traditional Ayurvedic methodJoshi KS. Journal of Ayurveda and Integrative Medicine, 2014. PubMed 24948858 →
Serum lipid response to introducing ghee as a partial replacement for mustard oil in the diet of healthy young IndiansShankar SR, Yadav RK, Ray RB, Bijlani RL, et al.. Indian Journal of Physiology and Pharmacology, 2005. PubMed 15881858 →