It's an unhappy truth that prostate function tends to decline in men as they past age 40—but many foods and supplements can help.

Many of us seek the best supplements for heart health, because cardiovascular disease is our number one killer. Many supplements have been touted as being supportive to heart health. But we dug deep and discovered that only four supplements are proven to be essential to help keep our heart healthy.

Are supplements for brain fog effective?  And what are the best supplements for brain fog?  'Brain fog' is a common term used by many to describe a collection of symptoms including memory-lapse, confusion, lack of clarity, and the inability to concentrate.

The best supplements for men over 40 are those that have the best chance to help counteract the inevitable biochemical and physiological changes that happen as we get older. Here, we examine supplements that might help our prostate, hormones, fertility, sexuality, muscle, immunity and mitochondrial health.