Supplements

Boron in supplements · page 50

2,364 supplements on the U.S. market list Boron with an amount per serving. The official Tolerable Upper Intake Level for adults is 20 mg a day.

Tolerable Upper Intake Level (UL)

The highest daily amount that is unlikely to cause harm for almost all healthy people, from food, drinks and supplements combined.

AgeMenWomenPregnancyBreastfeeding
0-6 months————
7-12 months————
1–3 years3 mg3 mg——
4–8 years6 mg6 mg——
9–13 years11 mg11 mg——
14–18 years17 mg17 mg17 mg17 mg
19+ years20 mg20 mg20 mg20 mg

Source: NIH ODS Boron Fact Sheet for Health Professionals, Table 2 (updated 2022-06-09).