Omega-3 with D3 provides 1000iu of D3 along with 120-mg EPA and 180mg DPA with natural lemon oil and MCT oil. D3 is one of the most easily absorbed forms of vitamin D and is superior to vitamin D2. Omega 3 is not synthesised by the body, so a dietary source is needed. Unless regularly consumed, a supplement ensures a good supply of these important nutrients. Vitamin D is needed EPA and DHA contribute to normal heart function, DHA contributes to normal brain function and normal vision for normal functioning of the immune system. Vitamin D is needed for normal absorption and utilisation of calcium and phosphorous. Note: This product is not intended to diagnose, treat, cure, or prevent any disease, nor should supplements be used as a substitute for a balanced diet. Not intended for pregnant/breastfeeding mothers or children under 18. Do not exceed the recommended dose.