When it comes to knees and other joint comfort and health, this amazing combination of 7 supplements will make a big difference. Boron The trace mineral boron has been shown to support joint mobility and flexibility while promoting joint comfort. Boron stimulates the bone-growing and strengthening processes.* Feverfew Puracol® Feverfew is a proprietary combination of whole leaf feverfew high in naturally occurring phytochemicals and a special feverfew extract. Researchers have found that the herb feverfew can inhibit the release of...