is this the flushing kind ?

Yes. You need start slow, not a full scoop, especially if you have been taking lots of other B vitamins.

Which form is this powder, nicotinic acid or niacinamide?

As shown on the label, this form is Niacin

Where is this produce manufactured?

It states it’s distributed in Utah…I see nowhere on the label where it states it’s manufactured in the US

what is the source of this product?

I'm not sure what source is but pls be very careful. I had half a scoop and had a severe allergic reaction . It's called a niacin flush. It was very scary. Red burning hot skin all over my body.

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Nutricost Niacin Vitamin B3 Powder 250G (2 Pack) - 500 Grams - 1G Per Serving (Scoop Included)

Product ID: 16724225

Details

Age Range (Description)
Adult
Brand
Nutricost
Flavor
Unflavored
Item Form
Powder
Unit Count
17.64 Ounce

🥄1g precise serving scoop

🧪3rd party tested purity

⚖️500g total pure Niacin

$76.44

Duties & taxes included

In stock

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Description

🔥 Elevate your daily health ritual with pure Niacin power!

FLUSH WITH BENEFITS - Experience the natural Niacin flush that boosts circulation and detoxification.
ECONOMICAL LONGEVITY - Two 250g bottles provide a supply that lasts years at recommended daily doses.
CLEAN TRUSTED QUALITY - Non-GMO, gluten-free, made in GMP & FDA-registered facility with 3rd party testing.
PURE POWER IN EVERY GRAM - 100% pure Vitamin B3 powder for maximum potency and customizable dosing.
VERSATILE WELLNESS BOOSTER - Easily mix into water, coffee, or gym drinks for a daily energy and heart health lift.

Nutricost Niacin Vitamin B3 Powder delivers 500 grams of 100% pure, unflavored Vitamin B3 in two convenient 250g bottles. Each serving is precisely measured at 1 gram with a scoop included, ensuring customizable dosing. This premium powder is non-GMO, gluten-free, and rigorously 3rd party tested, produced in a GMP-compliant, FDA-registered facility. Known for its natural 'Niacin flush,' it supports improved circulation, detoxification, and energy metabolism. Ideal for professionals seeking a cost-effective, versatile supplement to enhance heart health and daily vitality.

Specifications

ASIN	B010RBSLFW
ASIN	B010RBSLFW
Age Range Description	Adult
Best Sellers Rank	#56,112 in Health & Household ( See Top 100 in Health & Household ) #90 in Vitamin B3 (Niacin) Supplements
Brand Name	Nutricost
Customer Reviews	4.4 4.4 out of 5 stars (1,251)
Date First Available	July 1, 2015
Dosage Form	Powder
Flavor	Unflavored
Item Form	Powder
Item Weight	1.4 pounds
Item Weight	1.38 pounds
Manufacturer	Nutricost
Manufacturer	Nutricost
Manufacturer Part Number	13-L9BQ-I0W2
Number of Items	2
UPC	632963054341
Unit Count	17.64 Ounce

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