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GC
Vitamin D Binding Protein
Vitamin Metabolism Chr. 4 3 SNPs analyzed

About this gene

Main carrier protein for vitamin D in blood

Gene function

Transports vitamin D and its metabolites in circulation

Analyzed variants (SNPs)

rs7041 GC Gc1/Gc2 Population frequency: 45.0%
Genotype Impact What it means
GG (Normal) Normal Normal vitamin D transport and bioavailability.
GT (Carrier) Low impact Slightly altered vitamin D binding. May benefit from moderate vitamin D supplementation.
TT (Variant) Moderate Reduced vitamin D binding efficiency. Higher vitamin D intake may be needed for optimal levels.
rs4588 GC Thr436Lys Population frequency: 27.0% Chr. 4 : 72,618,323
Genotype Impact What it means
CC (Normal) Normal Normal vitamin D transport and bioavailability.
CA (Carrier) Low impact Slightly altered vitamin D binding. May benefit from moderate vitamin D supplementation.
AA (Variant) Moderate Reduced vitamin D binding efficiency. Higher vitamin D intake may be needed for optimal levels.
rs2282679 GC rs2282679 Population frequency: 28.0% Chr. 4 : 72,618,334
Genotype Impact What it means
GG (Normal) Normal Normal vitamin D transport and bioavailability.
GT (Carrier) Low impact Slightly altered vitamin D binding. May benefit from moderate vitamin D supplementation.
TT (Variant) Moderate Reduced vitamin D binding efficiency. Higher vitamin D intake may be needed for optimal levels.

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