01/09/2026
Should You Still Eat Margarine?
Modern margarine is low in trans fats but still carries health concerns because it is ultra‑processed, high in omega‑6 seed oils, and structurally altered through hydrogenation or interesterification. Butter has more saturated fat, but margarine has more processing‑related risks. Let’s look into the facts:
1. Ultra‑processing
Margarine is made by hydrogenation, interesterification, emulsification, bleaching, deodorising, and stabilising vegetable oils. The Diabetes Australia article confirms margarine is “an ultra‑processed food” and was historically made through hydrogenation .
Ultra‑processed foods are associated with:
Higher inflammation
Higher cardiovascular risk
Higher metabolic disease risk
This is not because of one ingredient—it’s the processing profile.
2. Omega‑6 overload
Most margarines use soybean, sunflower, safflower, cottonseed, or canola oils (confirmed in the manufacturing description) . These oils are high in omega‑6 linoleic acid, which promotes:
Pro‑inflammatory eicosanoid production
Oxidative stress
Imbalanced omega‑3:6 ratios
This is one of the biggest concerns.
3. Interesterified fats
Modern margarines often avoid trans fats by using interesterification instead of hydrogenation. Interesterified fats are structurally modified triglycerides. Emerging research suggests they may:
Alter insulin sensitivity
Disrupt normal fat metabolism
Affect liver enzymes
4. Residual trans fats
Modern margarines contain ≤3.3% trans fats, similar to butter’s natural ~3% . So trans fats are no longer the main problem—processing is.
5. Additives and stabilisers
Margarine contains:
Emulsifiers
Preservatives
Colouring agents
Flavouring agents
Acid regulators
Most Butter contains: cream + salt. ( some can contain canola oil- so please check)
6. High omega‑6 + high processing = higher cardiovascular risk
Even though margarine has less saturated fat, the combination of:
ultra‑processing
omega‑6 dominance
interesterified fats may offset the theoretical cardiovascular benefit.
So… how unhealthy is margarine really?
Moderately unhealthy, but not because of trans fats. The health concerns come from:
ultra‑processing
altered fat structures
high omega‑6 seed oils
additives
inflammatory potential
Personally I avoid it and choose other products like hummus, tahini butter or ghee !!!!!!!!!