VITAMIN B3 (NICOTINAMIDE)

The VITAMIN B3 (NICOTINAMIDE) test measures the concentration of nicotinamide (a form of vitamin B3, also called niacinamide) in blood or urine to assess nutritional status and support of cellular energy pathways. Vitamin B3 is a precursor for NAD+ and NADP+, essential coenzymes in redox reactions, energy metabolism, DNA repair and nervous system function; measuring nicotinamide helps detect deficiency states that can cause fatigue, dermatitis, diarrhea and neurological symptoms.

This home-collected lab test is suitable for people with unexplained persistent fatigue, skin changes, digestive issues, chronic alcoholism, malabsorption syndromes, or those taking medications (for example isoniazid) that interfere with B3 metabolism. It is also useful to monitor response to supplementation or dietary changes and to guide clinicians in prescribing appropriate vitamin therapy.

Sample collection is arranged at your Dubai residence by qualified phlebotomists following UAE clinical standards, with rapid processing in accredited laboratories to deliver accurate results and professional interpretation. Results should be reviewed with a physician or qualified nutritionist — lab values vary by method and clinical context, so do not self-medicate solely on the report; your healthcare provider will advise on supplementation, diet and follow-up testing if needed.

• Nicotinamide (Vitamin B3) — Serum/Plasma
• Total Niacin (when reported)
• Urinary N‑methylnicotinamide (metabolite)

• Persistent unexplained fatigue or weakness
• Dermatitis, photosensitivity or unusual skin rashes
• Chronic diarrhoea or unexplained gastrointestinal symptoms
• Neurological signs such as memory loss, headache or irritability
• History of malnutrition, bariatric surgery or malabsorption disorders
• Chronic alcohol use or treatment with drugs that affect B3 metabolism (e.g., isoniazid)

• Detects vitamin B3 deficiency early to prevent progression to pellagra
• Guides personalised supplementation and dietary recommendations
• Monitors treatment response and adjustment of therapy
• Convenient at-home sample collection across Dubai by trained staff
• Fast, accurate laboratory analysis with professional result interpretation

• At-home blood (serum/plasma) and/or urine sample collection by a certified phlebotomist
• No fasting typically required unless otherwise instructed by clinician
• Avoid high‑dose niacin or nicotinamide supplements for 24–48 hours prior to sampling if possible
• Inform the collector/lab about all medications and supplements (e.g., isoniazid) before the test