Vitamin D3 (cholecalciferol) for immune defence, bone density, mood, and overall hormonal health.
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Vitamin D functions more like a hormone than a vitamin. Every tissue in the body has vitamin D receptors, and adequate levels are required for normal immune function, calcium absorption, muscle strength, mood regulation, and hundreds of gene expression pathways. Despite Kenya's equatorial sunshine, vitamin D insufficiency is widespread, indoor work, sunscreen use, darker skin tones, and clothing coverage all reduce dermal synthesis significantly.
Testing serum 25-hydroxyvitamin D is the most direct way to know whether supplementation is working and at what dose. A blood level of 40–60 ng/mL is the range most researchers associate with optimal function across the immune, bone, and metabolic benefits of vitamin D. Getting there reliably typically requires 2,000–5,000 IU per day for most adults, depending on baseline levels, body weight, and sun exposure.
Jarrow Formulas Vitamin D3 by Jarrow Formulas is formulated with cholecalciferol (vitamin D3), the same form synthesised by the skin from sunlight. The specific dose, form, and serving size are shown on the supplement facts panel, these are the details that matter most when comparing products in this category, and they vary widely even between products with the same ingredient name.
Jarrow Formulas products are manufactured in GMP-certified facilities and undergo third-party identity and purity testing. The brand has operated since 1977 with a consistent focus on research-driven formulations. Supplements Kenya sources authentic, sealed Jarrow Formulas product with batch traceability and delivers across Nairobi, Mombasa, and the rest of Kenya. Consistent daily use at the label dose, sustained over weeks rather than days, is how this product works best.
Vitamin D3 from Jarrow Formulas Vitamin D3 works synergistically with vitamin K2, which helps direct calcium to the right places in the body. Magnesium is also needed for vitamin D metabolism. These three are commonly taken together.
Check the label on your bottle of Jarrow Formulas Vitamin D3 for the exact count. The number of capsules and the serving size together determine how long each bottle will last.
Jarrow Formulas Vitamin D3 is available from Supplements Kenya for KES 2,995.00. That's 25% off the regular price of KES 3,995.00. All orders come with fast delivery across Kenya and no hidden fees.
Jarrow Formulas Vitamin D3 is designed to support vitamins — specifically the vitamin d dimension. The specific health goals addressed are reflected in the choice of ingredients and their studied doses.
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