Mothernest Vitamin D3 1000 IU (90 Caps)

Overview

Mothernest Vitamin D3 1000 IU is a high-quality supplement designed to support your body’s natural ability to absorb calcium—an essential mineral for bone strength, muscle function, and immune system regulation. Using 25 micrograms (1000 IU) of colecalciferol per capsule, this formula delivers a convenient daily dose to help meet your body's needs, particularly in times of low sun exposure or increased demand.

What Is Vitamin D3?

Vitamin D3 (cholecalciferol) is the form of vitamin D that your skin produces when exposed to sunlight. It plays a critical role in regulating calcium and phosphate levels in the body, both of which are vital for bone mineralisation and maintenance. According to the Australian Government’s National Health and Medical Research Council (NHMRC), Vitamin D also contributes to muscle health and immune defence.

How Was It Discovered?

Vitamin D was first identified in the early 20th century during research into rickets, a childhood bone disorder caused by vitamin D deficiency. Researchers discovered that exposure to ultraviolet light or consumption of cod liver oil helped prevent and reverse the disease. Cholecalciferol, the D3 form, was isolated shortly thereafter as the bioactive component responsible for this effect.

What Is Its Role in the Human Body?

Vitamin D3 promotes calcium absorption in the gut and maintains adequate serum calcium and phosphate concentrations, allowing for normal mineralisation of bone. Without sufficient vitamin D, bones can become thin or brittle. It also plays a role in supporting neuromuscular and immune functions .

What Foods Is It Naturally Found In?

Natural dietary sources of Vitamin D3 are limited but include:

• Fatty fish (e.g. salmon, sardines)
• Liver
• Egg yolks
• Fortified dairy or plant-based milks

Because most people do not get sufficient sun exposure or dietary vitamin D, supplementation is often recommended, especially during the winter months .

How Is It Beneficial?

Research shows that vitamin D supplementation:

• Helps prevent vitamin D deficiency-related bone disorders such as osteomalacia and rickets
• Supports immune function by modulating both innate and adaptive immune responses
• Contributes to muscle strength, helping reduce the risk of falls in older adults

Vitamin D also assists in the regulation of inflammatory responses, which can be beneficial for overall systemic health.

What Does the Research Say About the Supplement’s Efficacy?

According to the Australian Government’s Department of Health, adequate Vitamin D intake is essential for bone health and immune function. The NHMRC recommends a daily intake of 600–800 IU for most adults, with higher levels often advised for those with limited sun exposure or increased needs . Mothernest Vitamin D3 1000 IU provides a therapeutic dose while remaining within TGA-approved daily limits.

Warnings, Safety, Side Effects & Interactions

• Always consult your healthcare provider before use if you are pregnant, breastfeeding, or taking other medications.
• Vitamin D supplements should not replace a balanced diet.
• Contains soya oil.
• Excessive intake may lead to vitamin D toxicity.
• Store below 30°C in a cool, dry place away from direct sunlight