Table 1

Mineral composition of Sierrasil and the expected intake at the low (2 g/day) and high (3 g/day) doses. Mineral bioavailability in the various forms has not been established but data on acid liberalization suggest that for some minerals the dose available for absorption may be as low as < 0.1%.

Metal assays (ICP-MS)
Total Intake at 2 g/day dose
Total Intake at 3 g/day dose

Aluminum
188 mg/day
282 mg/day
Antimony
< 0.006 mg/day
< 0.009 mg/day
Arsenic
0.026 mg/day
0.035 mg/day
Barium
2.0 mg/day
2.9 mg/day
Beryllium
< 0.002 mg/day
< 0.003 mg/day
Bismuth
< 0.06 mg/day
< 0.09 mg/day
Cadmium
0.0036 mg/day
0.0054 mg/day
Calcium
26 mg/day
40 mg/day
Carbon
0.60 mg/day
0.90 mg/day
Chromium
0.040 mg/day
0.060 mg/day
Chromium (VI)
< 0.00048 mg/day
< 0.00072 mg/day
Cobalt
0.017 mg/day
0.026 mg/day
Copper
0.074 mg/day
0.11 mg/day
Iron
119 mg/day
178 mg/day
Lead
0.013 mg/day
0.020 mg/day
Lithium
0.02 mg/day
0.03 mg/day
Magnesium
11 mg/day
17 mg/day
Manganese
0.29 mg/day
0.44 mg/day
Mercury
0.0012 mg/day
0.0017 mg/day
Molybdenum
0.002 mg/day
0.003 mg/day
Nickel
0.027 mg/day
0.040 mg/day
Phosphorous
3.8 mg/day
5.7 mg/day
Potassium
20 mg/day
30 mg/day
Selenium
0.0030 mg/day
0.0045 mg/day
Silica
899 mg/day
1349 mg/day
Silver
0.015 mg/day
0.022 mg/day
Sodium
< 12 mg/day
< 18 mg/day
Strontium
2.1 mg/day
3.2 mg/day
Sulphur
30 mg/day
45 mg/day
Thorium
< 0.010 mg/day
< 0.015 mg/day
Tin
< 0.02 mg/day
< 0.03 mg/day
Titanium
10 mg/day
15 mg/day
Uranium
< 0.12 mg/day
< 0.18 mg/day
Vanadium
0.34 mg/day
0.51 mg/day
Zinc
0.082 mg/day
0.12 mg/day
Zirconium
0.23 mg/day
0.35 mg/day

Miller et al. Journal of Inflammation 2005 2:11   doi:10.1186/1476-9255-2-11