99% Purity Vitamin B3 Nicotinamide Vitamin B3

99% Purity Vitamin B3 Nicotinamide Powder

📋 Basic Information

Product Name	Vitamin B3 (Nicotinamide)
Certification	GMP, HSE, ISO 9001, USP, BP
CAS No.	98-92-0
Purity	>99%
Appearance	White Crystalline Powder
Molecular Formula	C6H6N2O
Molecular Weight	122.125
Melting Point	128-131ºC
Grade	Pharmaceutical Grade
Shelf Life	2 Years

🔬 Product Overview

Vitamin B3, encompassing nicotinic acid (niacin) and nicotinamide (niacinamide), is a fundamental water-soluble micronutrient. Its biological efficacy is mediated through its role as the precursor to the coenzymes nicotinamide adenine dinucleotide (NAD+) and nicotinamide adenine dinucleotide phosphate (NADP+).

These dinucleotides are indispensable redox cofactors involved in over 400 enzymatic reactions, positioning vitamin B3 at the epicenter of cellular metabolism, energy production, genomic stability, and adaptive stress response.

⚡ Application & Function

🔋 Metabolism

Essential for glycolysis, beta-oxidation, and the TCA cycle for ATP synthesis.

🛡️ DNA Repair

Substrate for PARPs which facilitate repair in response to DNA damage.

🧬 Cell Signaling

Regulates sirtuin activity, influencing gene expression and longevity pathways.

The universal mechanism of vitamin B3 is its conversion to NAD+ and NADP+. Nicotinic acid and nicotinamide enter separate salvage pathways but converge to form NAD+. NAD+ serves as a primary electron carrier in catabolic reactions, accepting hydride ions to become NADH, which then fuels the mitochondrial electron transport chain.

Conversely, NADPH is the dominant reducing agent for anabolic processes like fatty acid and cholesterol synthesis and for maintaining antioxidant systems such as regenerating glutathione.

📊 Specifications & Quality

🖼️ Product Gallery

❓ Frequently Asked Questions

Q1: What is the primary difference between Nicotinic Acid and Nicotinamide?

A1: While both are forms of Vitamin B3, Nicotinic Acid (Niacin) can cause skin flushing and is often used for lipid metabolism, whereas Nicotinamide (Niacinamide) does not cause flushing and is preferred for skin health and general cellular energy support.

Q2: Is your Vitamin B3 powder pharmaceutical grade?

A2: Yes, our Nicotinamide is Pharmaceutical Grade with a purity level exceeding 99%, complying with USP and BP standards.

Q3: What are the main storage requirements?

A3: It should be stored in a cool, dry place away from direct sunlight. The product has a shelf life of 2 years when stored properly.

Q4: How does Vitamin B3 support anti-aging?

A4: It acts as a precursor to NAD+, which activates sirtuins (longevity genes) and facilitates DNA repair through PARP enzymes, helping to maintain cellular health as we age.

Q5: Can this powder be used in topical skin care formulations?

A5: Yes, Nicotinamide is widely used in cosmetic and dermatological applications for its ability to improve skin barrier function and reduce inflammation.

Q6: What is the appearance of the product?

A6: It is a white, odorless crystalline powder with a slightly bitter taste.