Boron deficiency may be under-appreciated as a cause of bone loss and tooth decay.
Boron is a mineral or trace element that is found in food and the environment but at highly variable concentrations. Dr. Jorge Flechas studied boron levels and showed that in countries like Turkey and Israel where boron levels in the soil and water are high, incidences of arthritis were very low. Contrast that to Jamaica where there is almost no boron in the soil and water. There, arthritis is rampant.
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Here is a scientific paper on boron and bone health: https://www.sciencedirect.com/science/article/pii/S0946672X20301425
Pivotal role of boron supplementation on bone health: A narrative review
Background Boron is a trace element that plays an important role in numerous biological functions, including calcium metabolism, growth and maintenance of bone tissue. However, there are still no precise indications regarding a possible role of boron supplementation, and its amount of supplementation, to maintain bone health. So the aim of this narrative review was to consider the state of the art on the effectiveness of boron supplementation (alone or with other micronutrients) on growth and maintenance of bone in humans through control of calcium, vitamin D and sex steroid hormone metabolism in order to suggest a daily dosage of boron supplementation.
Main findings This review included 11 eligible studies: 7 regarding the supplementation with boron alone and 4 regarding supplementation with boron and other nutrients. Despite the number of studies considered being low, the number of subjects studied is high (594) and the results are interesting.
Conclusions The studies considered in this narrative review have evaluated the positive effectiveness on bone, in humans, through control of calcium, vitamin D and sex steroid hormone metabolism, considering a dietary supplementation of 3 mg/day of boron (alone or with other nutrients); this supplementation is demonstrably useful to support bone health (in order to prevent and maintain adequate bone mineral density), also considering the daily dose of 3 mg is much lower than the Upper Level indicated by European Food Safety Authority in the daily dose of 10 mg.
Health Effects of Boron
Borax and boric acid have basically the same health effects with good antiseptic, antifungal and antiviral properties, but only mild antibacterial action.
Boron is essential for the integrity and function of cell walls and for the way signals are transmitted across membranes. It is distributed throughout the body with the highest concentration in the parathyroid glands followed by bones and dental enamel. It is essential for healthy bone and joint function, regulating the absorption and metabolism of calcium, magnesium and phosphorus through its influence on the parathyroid glands. It has been suggested that boron is to the parathyroids what iodine is to the thyroid gland.
The parathyroid glands are small endocrine glands in the neck that produce parathyroid hormone. Humans usually have four parathyroid glands which are located on the rear surface of the thyroid gland. The parathyroid glands control the amount of calcium in the blood and within the bones. The main function is to maintain the body’s calcium levels within a very narrow range, so that the nervous and muscular systems can function properly. Parathyroid hormone controls calcium and phosphate homeostasis, as well as bone physiology.
Boron deficiency causes the parathyroid glands to become overactive, releasing too much parathyroid hormone which raises the blood levels of calcium by releasing calcium from bones and teeth. This then leads to arthritis, osteoporosis and tooth decay.
Boron also affects the metabolism of steroid hormones, and especially the metabolism of sex hormones. It increases low testosterone levels in men and oestrogen levels in menopausal women. It also has a role in converting vitamin D to its active form, thus increasing calcium uptake and deposition into bone. It also may improve thinking skills and muscular coordination.
Boron and Bone Health
Boron plays an important part in supporting healthy bones since it is involved with calcium and magnesium metabolism and vitamin D.