Obligate Co-factor
Magnesium
Magnesium is required by the hydroxylase enzymes that convert vitamin D into its active forms.
What it is
iTested-verified budget D3
Who it suits
Bone density, Immune modulation, Muscle function
Best price today
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Verified clinical advantages
- iTested third-party lab verification published per lot
- Very low cost per IU
Trade-offs & compromises
- Store brand with limited EU retail presence
Multi-store price comparison
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Biochemical facts panel
Gross compound
0.125 mg
Elemental active
0.125 mg
% Daily value
2500%
Bioavailability
High
Fat-soluble secosteroid converted in liver to 25(OH)D and in kidney to calcitriol, which binds the vitamin D receptor to regulate calcium absorption and immune gene expression.
Target benefits
- Bone density
- Immune modulation
- Muscle function
- Mood support
GI tolerance & side effects
- Hypercalcemia at chronic high doses
- Nausea
Renal & other contraindications
- Hypercalcemia
- Sarcoidosis and other granulomatous disease
- Severe renal impairment without monitoring
Upper tolerable intake: 100 mcg (4000 IU)/day adults (EFSA/IOM)
Full excipient & inactive additive disclosure
Safflower oilSoftgel (gelatin, glycerin, water)
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