Apexx Log - Vitamin D3 (Cholecalciferol)

Category: Fat-soluble vitamin
Form Used in Apexx01: Vitamin D3 (Cholecalciferol)
Dose per Serving: 75 µg (3,000 IU)
Verification: Independent EU laboratory testing for identity, purity, stability

What Vitamin D3 Is

Vitamin D3 is a fat-soluble vitamin essential for calcium metabolism, immune function, and normal muscle activity. It plays a foundational role in maintaining normal bone structure, supporting the immune system, and regulating inflammatory processes.

D3 is the form naturally produced in human skin under sunlight. Because modern lifestyles reduce exposure, daily intake becomes increasingly important.

Why Vitamin D3 Is Included in Apexx01

Vitamin D3 supports physiological functions recognised by European regulations.
It contributes to:

normal function of the immune system

maintenance of normal bones and teeth

normal muscle function

normal absorption and utilisation of calcium and phosphorus

normal blood calcium levels

cell division processes

Vitamin D3 is essential for maintaining a stable internal baseline, particularly for individuals with limited sun exposure.

A daily protocol designed for consistency must include it.

Why This Form: Cholecalciferol (D3)

Apexx01 uses D3 because it is:

the most bioactive form for humans

more efficient than D2 (ergocalciferol)

stable inside multi-nutrient blends

reliably verifiable through identity and potency testing

D3 ensures predictable, reproducible physiological support.

Why This Dose: 75 µg (3,000 IU)

This dose:

supports adequate blood levels across varying lifestyles and seasons

aligns with European long-term tolerability data

synergises with Vitamin K2 for proper calcium regulation

supports immune and muscle function consistently

Lower doses provide inconsistent support. Higher doses are unnecessary in a daily protocol designed for long-term use.

EFSA-Recognised Nutritional Functions of Vitamin D3

Vitamin D contributes to:

normal function of the immune system

maintenance of normal bones

normal muscle function

normal absorption/utilisation of calcium and phosphorus

normal blood calcium levels

the process of cell division

These are the only communicated claims.

How Vitamin D3 Works Inside the Full Formula

Vitamin D3 interacts with:

Vitamin K2 → coordinated calcium distribution

Calcium → bone mineralisation support

Magnesium → cofactor in vitamin D metabolism

Immune-supporting nutrients → vitamin C, selenium, zinc

It stabilises key physiological systems without creating spikes or extremes.

Why It Belongs in a Complete Daily Formula

Vitamin D3 is a structural nutrient.
It forms part of the essential baseline needed for immune balance, bone metabolism, and muscular function.

A complete daily protocol is incomplete without it.

Verification & Testing

Each lot undergoes:

identity confirmation

purity screening

potency testing

stability checks

CoA documentation

Aligned with The Apex Standard™.

Compliant Summary

Form: Cholecalciferol (Vitamin D3)

Dose: 75 µg

Multiple EFSA-authorised functions

Works synergistically with K2, calcium, and magnesium

Verified independently batch-by-batch

Apexx Log - Vitamin D3 (Cholecalciferol)