Potential Health Risks of Macro- and Microelements in Commercial Medicinal Plants Used to Treatment of Diabetes

Table 6

Oral reference dose (RfD) for metals.

Elements	RfD (mg/kg/day)
Al	1.0
Co	0.0003
Cu	0.04
Fe	0.70
K	NS
Mg	NS
Mn	0.14
Na	NS
Ni	0.02
P	NS
Se	0.005
Zn	0.30

NS = not specified.