Seed oils do not block muscle growth or hinder fitness progress, as claims against them lack scientific evidence from clinical trials. The primary nutrition concerns stem from high-calorie processed foods and insufficient omega-3 intake rather than seed oils. Focusing on adequate protein, fiber, and whole foods has a much greater impact on body composition than choice of cooking oil.
Are seed oils killing gains?1. No trial shows they block muscle. Linoleic acid does not stop hypertrophy. The claim started on a podcast.2. The problem is the food around it. Fries and chips are not just oil. Calorie density is the real issue.3. Omega 3 is the actual gap. Most lifters undereat fish. Add salmon before you ban canola.4. Olive oil is still the easy win. Better flavor and a better fat profile. Swap for taste, not for fear.5. Chase protein and fiber first. Those two move body composition. Oil brand is a rounding error.
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