The Great Indian Oil Debate: Cholesterol Myths
Cold-pressed, refined, ghani, avocado oil — which is truly heart-friendly? A PhD nutritionist breaks down oil myths, cholesterol research & what actually raises your triglycerides.
Clinical summary
Cooking oil is rarely the primary driver of high cholesterol or triglycerides — refined carbs, sugar, sedentary lifestyle, and inflammation are. The clinically optimal strategy is rotating 2–3 oils (cold-pressed mustard for daily cooking, EVOO for finishing, refined rice bran for high-heat) rather than fixating on one 'best' oil.
Frequently asked questions
Which is the healthiest cooking oil for cholesterol in India?
There is no single 'best' oil. Clinically, a rotation works best: cold-pressed mustard oil (60% MUFA) for daily cooking, extra virgin olive oil for raw use and finishing, and refined rice bran oil for occasional deep frying. Mustard oil offers the best omega-6:omega-3 ratio (2:1) of any commonly available Indian oil.
Is avocado oil better than mustard oil for the heart?
No. Both have excellent MUFA content (avocado ~70%, mustard ~60%), but mustard oil has a far better omega-6:omega-3 ratio and costs one-quarter as much. A 2024 Food Control study also found 82% of avocado oils sold commercially were adulterated or mislabeled.
Will switching to cold-pressed oil lower my cholesterol?
Modestly, at best. Cold-pressed retains polyphenols and tocopherols that help, but doesn't change the fatty acid profile. If your triglycerides or LDL are high, reducing refined carbs, sugar, and sedentary time will have 3–5× more impact than changing oil brands.
Is mustard oil safe despite the erucic acid concern?
Yes, in normal cooking quantities (2–3 tsp/person/day). The animal studies that raised concerns used erucic acid concentrations far higher than realistic human intake, and epidemiological data from mustard-oil-consuming regions show no increased cardiovascular risk. ICMR 2024 guidelines continue to list it as acceptable.
Can I reuse cooking oil after frying?
No. Reusing oil creates trans fats and oxidation products (aldehydes) that are genuinely harmful to cardiovascular health. One use, then discard — this is non-negotiable.
By Dr. Anagha Tulasi, PhD