Vitamin e, flaxseed, and fish oil are also in what i would call the core lima must-take supplements. vitamin e is a powerhouse antioxidant that can reduce sinusitis vitamin b free radical damage to protect against health issues like heart disease, but it’s especially important for the sinus sufferer because it fights inflammation in the body and the sinuses. A: i mentioned the b vitamins, this is usually the first place that many multivitamins don’t provide a high enough dosage. the b vitamins help convert food into energy b-9 or folate or folic acid provides dna synthesis and repair to produce and maintain new cells and protect against cancer. most multivitamins only have 50% of rda. Vitamin a should be an integral part of every person's diet. it plays vital roles in your body by helping to maintain your vision, skin health and even your immune system’s ability to work properly. but it’s important to consume the right a. Vitamin d protects against respiratory infections and sinus...