What is NOW Vitamin D3 (2000 IU)?
NOW Vitamin D3 (2000 IU) provides a highly bioavailable form of vitamin D3 (cholecalciferol) sourced from lanolin. It’s designed to support calcium absorption, immune system function, mood balance, and bone health.
This 120-softgel bottle is non-GMO, gluten-free, and made in a GMP-certified facility in the USA by NOW Foods, a trusted name in supplements since 1968.
📦 Product Overview
| Feature | Details |
| Product Name | NOW Vitamin D3 – 2000 IU (50 mcg) |
| Form | Softgel |
| Quantity | 120 softgels (4-month supply) |
| Potency | 2000 IU (50 mcg) per softgel |
| Source | Lanolin-derived D3 |
| Certification | Non-GMO, Halal, GMP Certified |
| Manufacturer | NOW Foods, USA |
| Intended For | Adults with vitamin D deficiency or maintenance needs |
💪 Health Benefits of NOW Vitamin D3 (2000 IU)
| Benefit | Scientific Backing |
| Bone Strength | Improves calcium & phosphorus absorption |
| Immune Support | Modulates immune system response |
| Mood Regulation | Linked to serotonin synthesis and mental health |
| Muscle Function | Aids in muscle contraction and strength |
| Heart Health | May support cardiovascular function |
🔬 A 2021 meta-analysis in Nutrients confirmed that vitamin D3 improves immune function and may reduce respiratory infection risk.
🧪 Ingredient Breakdown
| Ingredient | Amount per Softgel | Function |
| Vitamin D3 (Cholecalciferol) | 50 mcg (2000 IU) | Supports bones, immunity, mood |
| Extra Virgin Olive Oil | — | Carrier oil for absorption |
| Softgel Capsule | Gelatin, glycerin, water | Encapsulation |
🧬 D3 is the same form naturally produced by the skin in sunlight, and is more effective than D2 (ergocalciferol).
🥄 How to Use
Recommended Dosage:
- Take 1 softgel daily with a meal, preferably containing fat for better absorption.
When to Take It:
- Morning or lunch works best for mood and energy support. Avoid taking it late at night if sensitive to alertness changes.
🚸 Safe for adults unless otherwise directed by a healthcare provider.
⚠️ Side Effects
Vitamin D3 is well tolerated. However, side effects from prolonged high intake may include:
- Nausea or vomiting
- Constipation
- Dry mouth or metallic taste
- Headache or drowsiness
These usually occur at excessive doses over 4000 IU/day.
🚨 Overdose Effects
Chronic overdose can lead to:
| Overdose Effect | Cause |
| Hypercalcemia | Too much calcium in blood due to D3 excess |
| Kidney stones | From calcium buildup |
| Fatigue, nausea | Symptoms of vitamin D toxicity |
🧯 Do not exceed 4000 IU/day unless under medical supervision. One softgel = 2000 IU.
👥 Who Needs Vitamin D3 Supplementation?
| Group | Risk Factor |
| Office workers | Low sun exposure |
| Seniors (65+) | Reduced skin synthesis |
| People with darker skin | Less natural vitamin D3 synthesis |
| Individuals with bone loss | Osteopenia/osteoporosis |
| Vegans/Vegetarians | Less D3 from diet (if not fortified) |
❓ People Also Ask
Is 2000 IU of vitamin D3 too much?
No. 2000 IU/day is safe for most adults and often recommended for maintenance, especially during winter or low sun exposure months.
How long does it take to raise vitamin D levels?
It may take 4–8 weeks of daily supplementation to reach optimal blood levels, depending on your deficiency.
Can I take vitamin D3 on an empty stomach?
D3 should be taken with a fat-containing meal for better absorption, not on an empty stomach.
Is NOW Vitamin D3 certified?
Yes, NOW Foods products are GMP-certified, third-party tested, and labeled as non-GMO.
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