# 21st Century Niacinamide 500 mg Prolonged Release Tablets, 220 Count (110 Count Pack of 2) | Energy Metabolism Support

**Brand:** 21st Century
**SKU:** yqj3163
**ASIN:** B0D14Z5D5Z
**Canonical URL:** https://crowcrowcrow.com/p/21st-century-niacinamide-500-prolonged-release-tablets/yqj3163
**Category:** health-supplement
**Subcategory:** Products
**Availability:** in_stock
**Price (INR, all-inclusive):** ₹3,252
**Discount:** 25%
**Customer rating:** 4.60/5 from 5,475 ratings

## Description

21st Century Niacinamide 500 mg Prolonged Release Tablets (220 count) support energy metabolism and nerve function. Imported from USA, this gluten-free, vegan formula offers slow nutrient delivery. All duties included. Arrives {{ccc_delivery_eta}}.

## Highlights

- Supports Energy Metabolism — Each 500 mg Niacinamide tablet aids in converting food to energy, crucial for active lifestyles and daily vitality. Supports nerve, skin, and digestive health.
- Prolonged Release Formula — Nutrients are slowly released over time, ensuring sustained availability and effectiveness throughout the day. Minimizes flushing associated with niacin.
- Vegan & Gluten-Free — Suitable for vegetarians and vegans, this formula contains no added sugar, salt, yeast, preservatives, artificial flavors, or colors. Non-GMO certified.
- 220 Tablets Per Pack — This value pack provides a 220-day supply when taken as directed (1 tablet daily), offering {{ccc_price_per_unit:220:tablet}} per day for sustained wellness.

## Key features

- The information below is per-pack only
- Niacin (vitamin B-3) plays a role in energy metabolism.* Niacinamide is a good source of vitamin B-3 with a lower flushing effect than that of niacin.*
- Prolonged release vitamins slowly release nutrients into the body over an extended period of time.
- No added Sugar, Salt, Yeast, Preservatives, Artificial Flavors or Colors. Gluten Free. Suitable for Vegans. Non-GMO.
- 21st Century HealthCare manufactures over 500 vitamins and nutritional supplements that are trusted to be 100% safe, contain the purest ingredients and are guaranteed for label potency.
- For over 30 years, 21st Century HealthCare has been dedicated to manufacturing only the highest quality vitamins and supplements in Tempe, Arizona.
- These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

## Why choose this product

- USA-Sourced Purity & Potency
- Ideal For Daily Wellness Seekers

## How to use

1. As a vitamin supplement, adults should take one (1) tablet each day. It is best to take it with any meal to aid absorption and minimize potential discomfort. — Take One Tablet Daily
2. For optimal benefits, maintain a consistent daily intake. The prolonged release mechanism works best when nutrients are delivered steadily over time, supporting your body's energy conversion processes throughout the day. — Ensure Consistent Intake
3. Store the tablets at room temperature, away from direct sunlight and moisture. Ensure the bottle is tightly closed after each use to maintain freshness and potency until the expiration date. — Store Properly

## Product details

| Field | Value |
|---|---|
| Niacinamide | 500 mg per serving (2500% DV) |
| Calcium | 160 mg per serving (16% DV) |
| Other Ingredients | Cellulose, hydroxypropyl methylcellulose, stearic acid, silicon dioxide, magnesium stearate |
| Free From | Sugar, Salt, Yeast, Preservatives, Artificial Flavors, Artificial Colors, Gluten |
| Allergens | Gluten-Free |
| Serving Size | 1 Tablet |
| Servings Per Container | 220 |
| Recommended Daily Use | Take one (1) tablet daily with any meal. |
| Prolonged Release | Yes |
| Cost per use | 220 tablets at 1 tablet/day = 220 days: {{ccc_price_per_unit:220:day}} |
| Shelf life after opening | 24 months |
| Contraindications | Consult a healthcare provider if pregnant, nursing, on medication, or have a medical condition. Stop use if adverse reactions occur. |
| Brand | 21st Century |
| Product Name | Niacinamide 500 mg Prolonged Release Tablets |
| Count | 220 Tablets (Pack of 2 x 110 Count) |
| Dosage Form | Tablet |
| Flavor | Unflavored |
| Diet Type | Vegan, Gluten-Free, Non-GMO |
| Item Form | Tablet |
| Color | No Color |
| Item Weight | 0.45 kg (1 lb) |
| Dimensions | 38.5 cm x 19.9 cm x 12.3 cm (15.2 in x 7.8 in x 4.8 in) |
| Country of Origin | Not stated by manufacturer — US retail version, sourced from authorized US retailers |

## Attributes

- **Item form:** Tablet
- **Diet type:** vegan
- **Special ingredients:** Gluten Free

## Frequently asked questions

### How is this 21st Century Niacinamide 500 mg authentic vs the version sold in Indian stores?

This 21st Century Niacinamide 500 mg is sourced directly from authorized US retailers, factory-sealed, and imported per-order. It is the same SKU and formulation US buyers receive, manufactured in a cGMP facility. All customs duties and GST are included in the displayed price. Arrives 2-8 days via ExpressBox tracked shipping, ensuring authenticity and value.

### What are the benefits of Niacinamide 500 mg Prolonged Release Tablets?

Niacinamide 500 mg Prolonged Release Tablets support energy metabolism and the normal function of nerves, skin, and the digestive system. The prolonged release formula ensures slow nutrient delivery, minimizing flushing associated with niacin. It is also gluten-free, vegan, and non-GMO.

### What is the recommended dosage for 21st Century Niacinamide 500 mg?

As a vitamin supplement, adults should take one (1) tablet daily with any meal or as directed by a healthcare provider. Do not exceed the recommended dosage. Individual results may vary. This pack contains 220 tablets, providing a 220-day supply.

### Are there any side effects of Niacinamide 500 mg?

Niacinamide is generally well-tolerated. However, consult a healthcare provider before use if you are pregnant, nursing, on medication, have a medical condition, or are planning a medical procedure. Stop use and contact a physician if adverse reactions occur. Keep out of reach of children.

### Can vegetarians and vegans take 21st Century Niacinamide 500 mg?

Yes, this Niacinamide 500 mg Prolonged Release formula is suitable for vegetarians and vegans. It is certified gluten-free, non-GMO, and contains no added sugar, salt, yeast, preservatives, artificial flavors, or colors.

### How long will 220 tablets of Niacinamide last?

With a recommended dosage of one tablet daily, the 220-count pack of 21st Century Niacinamide 500 mg Prolonged Release Tablets will last approximately 220 days. This provides excellent value for sustained daily wellness support.

## Compliance

No product-specific compliance warnings identified. Standard imported-goods terms apply: customs duties & GST paid; for personal use in India; follow the manufacturer's usage instructions on the packaging.

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