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Good fats -hdl
can be increased by:
Avoid saturated & trans fats like butter, ghee,hydrogenated fats etc.
Take mono & poly-unsaturated fats like olive oil,canola oil etc.
sources like nuts,fish,Flaxseed etc.
You can also take a good & natural fish oil supplement.There are supplements available that not even taste fishy.
Wish u good Health.