Vitamins

GBS 95

Vitamin D3 (Cholecalciferol)

Mechanism of Action

Hormone precursor regulating calcium absorption, immune modulation, gene expression via VDR activation

Primary Applications

Osteoporosis

Rickets

Immune deficiency

Depression

Autoimmune disease

Cancer prevention

Recommended Dosage

2000-5000 IU/day (maintenance), 10000 IU/day (deficiency correction)

Available Forms

Cholecalciferol (D3), ergocalciferol (D2, less effective)

Top Brands

ThornePure EncapsulationsDesigns for HealthNOW

Synergies

Works synergistically with:

Vitamin K2 (critical)

Magnesium

Vitamin A

Boron

Natural Food Sources

Fatty fish; Egg yolks; Fortified dairy; Sunlight (UVB)

Interactions

May increase digoxin toxicity; Enhances calcium absorption

Contraindications

Hypercalcemia; Sarcoidosis; Hyperparathyroidism

Clinical Notes

Must pair with K2 to prevent arterial calcification; test levels (target 50-80 ng/mL); fat-soluble—take with meals

Conditions This Helps

Osteoporosis Anxiety & Depression Autoimmune Disease (General)Cancer (Integrative Support)

Quick Overview

CategoryVitamins

GBS Score95/100

IDV011

Key Points

Evidence-based dosing

Mechanism documented

Interaction screening

Synergy optimization

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This information is for educational purposes. Always consult with a qualified healthcare provider before starting any new supplement protocol.

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