**FLAXSEED OIL: Benefits, Side Effects, Uses, Dosage, Warnings?** Common Names: Lin, flaxseed, flaxseed oil. Botanical Name: Linum usitatissimum, Lini semen, semen lini Olea, family Linaceae. English names: Flax, linen, flaxseed, linseed, flaxseed oil, linseed oil. Chinese Names: Men Ren Hu Ya Ma Zi (seeds ... products. With drugs The mucilage content in flaxseed may reduce the absorption of some medications, it is best to eat two hours before or after taking medication.