Format
Softgel/Capsule
Now Foods Vitamin D3 5000IU
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Description
- Now Foods Vitamin D3 5000IU comes in a bottle of softgels or capsules. 2. Each serving provides 5000 IU of vitamin D3 to support bone health and immune function. 3. The product is designed to help maintain optimal vitamin D levels, especially in individuals with limited sun exposure.
High-strength D3 5000IU for winter and deficiency correction.
BONE MINERALISATION
D3 drives intestinal calcium absorption. Without adequate D3, only 10 to 15% of dietary calcium absorbs; with adequate D3, this rises to 30 to 40%.
IMMUNE FUNCTION
D3 receptors are present on most immune cells. Adequate D3 modulates innate and adaptive immunity, with particular research interest in respiratory infection.
WINTER GAP COVER
Most South Africans lose adequate D3 status from May to August when UV-B drops and indoor lifestyles take over. 5000IU is the typical winter top-up dose.
DEFICIENCY CORRECTION STRENGTH
5000IU daily is the typical dose for correcting confirmed D3 deficiency over 8 to 12 weeks. Maintenance is usually 1000 to 2000IU.
What Makes This Special
Dose Per Serving
5000IU (125mcg) Cholecalciferol
Form
D3 Cholecalciferol
Best Use
Winter Top-Up, Deficiency Correction
Daily Use
1 Serving
Brand Origin
NOW Foods (USA)
Primary Active Ingredients & Mechanisms
- Vitamin D3 (Cholecalciferol) 5000IU (125 mcg)
- Cholecalciferol is the form produced by skin from UV-B exposure and is the most bioavailable supplemental form. Converts to 25-hydroxyvitamin D in liver and then to active 1,25-dihydroxyvitamin D in kidney. Functions as a steroid hormone, with receptors on most body tissues.
Who is it for?
Adults with confirmed low D3 status, those with darker skin (where skin pigment limits UV-B D3 synthesis), people who work indoors, higher-body-weight adults, and South Africans through winter months when UV-B drops.
Why use it?
5000IU is the deficiency-correction and high-need maintenance dose backed by clinical guidelines. Most multivitamins underdose D3 at 200 to 1000IU, well below corrective range.
When to use it
Take 1 serving daily with a fat-containing meal. D3 is fat-soluble and absorption increases significantly with dietary fat. Pair with K2 and magnesium for full bone and arterial benefit.
How to use it
1 serving daily with a fat-containing meal. Test 25-hydroxyvitamin D blood level at baseline and after 12 weeks to confirm response. Target 100 to 150 nmol/L (40 to 60 ng/mL).
Pairs Well With
Strategic Cross-Sell
New Leaf Magnesium Glycinate 120 Capsules
Magnesium activates vitamin D into its hormone form. Taking high-dose D3 without adequate magnesium reduces effective D3 utilisation. Stacking them is essential rather than optional.
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Disclaimer
"This product is a dietary supplement and is not intended to diagnose, treat, cure, or prevent any disease. Consult a healthcare professional before using this product, especially if you are pregnant, nursing, taking medication, or have a medical condition. Individual results may vary. We disclaim any liability for adverse reactions or consequences arising from the use of this product. This product is not evaluated or registered with SAHPRA. Keep out of reach of children."
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