Fat containing supplements should be consumed with food, so it is important you take them during the time you eat. For instance, Vitamins A, E, and K are not absorbed properly when taken on an empty stomach. These vitamins are great with foods that are higher in fat content.
Try adding more magnesium, Omega-3 fatty acids, and vitamin D to your diet if you are feeling sad. A deficiency in any of these may actually lead to depression. Omega-3 fatty acids are known to support brain health, while magnesium can help your body and mind calm down and relax.
There are millions of people who believe drinking water religiously is the key to overall good health. This is very true except you are also flushing the body of many nutrients, vitamins and minerals, it needs to function properly. Always make sure that at the least you are taking some form of one a day vitamin to keep the body satisfied in its needs.