Grandma's Boron Guide

Boron is needed in trace amounts for healthy bones and for the metabolism of calcium, phosphorus, and magnesium. It's also one of the trace minerals that enhances brain function and promotes alertness.

Most people are not deficient in this mineral. However, elderly people usually benefit from taking boron supplements of 2 to 3 milligrams daily because they have a greater problem with calcium absorption.

Boron deficiency accentuates Vitamin D deficiency.

This trace mineral helps to prevent postmenopausal osteoporosis and build muscle. A study conducted by the U.S. Department of Agriculture indicated that within eight days of taking boron supplements of 3 milligrams in their daily diets, a test group of postmenopausal women lost 40 percent less calcium, one-third les magnesium, and slightly less phosphorus through their urine than they had before beginning boron supplements.

photo of a yummy pear still growing on a tree a natural food source of boron photo of fresh pastachios still in shells a natural food source of boron closeup photo of a green apple with water drops a natural food source of boron

Natural Food Sources of Boron

Foods high in Boron:

  • apples
  • carrots
  • grapes
  • green leafy vegetables
  • nuts
  • pears
  • grains


Do not take more than 3 milligrams of boron daily.


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