Man therefore gets his vitamin A by eating plants which are rich in carotenes or by eating those parts of domestic animals which are rich in the vitamin itself: liver, butter and cream from milk; egg yolk; and cod-liver oil.
If the vamp is too loose, your heel may slip out of the shoe, while a vamp that is too tight can cause toe pain or numbness. Counter. The heel counter is the back of the shoe that holds the heel in place. A stiff counter offers greater heel control and stability.
Plantar fasciitis pain is most commonly felt in the heel area, so focus on shoes that have substantial heel support and cushioning. Shoes with flexible toe boxes will remove pressure from the plantar fascia while you are running. Dual-density midsoles will help keep your feet from rolling inward.aving the right running shoes with optimal support can help you keep your plantar fascia healthy. Photo Credit Stockbyte/Stockbyte/Getty Images. Invest in running shoes with good arch support. A shoe with a straight last provides more support under the arch, which can help prevent plantar fasciitis.