Table 2: Established toxicant limits in supplements (µgm/day) adapted from [51].

Toxic element US California Proposition  65 (P65) and Environmental Protection AgencyEuropean union Australia World Health OrganizationGestational limits

Mercury (Hg) 2 4.2 2.4 inorganic Hg
0.96 methyl Hg
1.37 (methyl Hg in children) 0.6 for methyl Hg
Lead 15 21 NE 21 Concern at low levels. 0.5 established for reproductive toxicity (P65)
Cadmium 4.1 6 15 6 NE
Arsenic 10 13.0 NE 12.85 NE
Aluminum 7,000 4,286 12,000 NE NE

NE: not established.
European/WHO/Australian levels were established by convention as representing 10% of the daily total toxicant intake after conversion of values expressed in mg/kg/week for an average adult weight of 60 kg.