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THORNE

Q: What's the difference between this and the stress b complex they also sell?

Both products contain the same active ingredients, but they are formulated in different ratios:Basic B Complex contains:Thiamin (as Thiamin HCl) 110 mg.Riboflavin (as Riboflavin 5'-Phosphate Sodium) 10 mg.Niacin (130 mg as Niacinamide and 10 mg as Niacin) 140 mg.Vitamin B6 (as Pyridoxal 5'-Phosphate) 10 mg.Folate (as L-5-Methyltetrahydrofolate from L-5-Methyltetrahydrofolic Acid, Glucosamine Salt) 400 mcg.Vitamin B12 (as Methylcobalamin) 400 mcg.Biotin 400 mcg.Pantothenic Acid (as Calcium Pantothenate) 110 mg.Choline Citrate 80 mg. Other Ingredients: Hypromellose (derived from cellulose) capsule, Microcrystalline Cellulose, Silicon Dioxide, Magnesium Laurate, Magnesium Citrate. Stress B Complex contains:Thiamin (as Thiamin HCl) 50 mgRiboflavin (25 mg as Riboflavin and 3.6 mg as Riboflavin 5'-Phosphate Sodium) 28.6 mgNiacin (as Niacinamide) 80 mgVitamin B6 (25 mg as Pyridoxine HCl and 3.4 mg as Pyridoxal 5'-Phosphate) 28.4 mgFolate (as L-5-Methyltetrahydrofolate* from L-5-Methyltetrahydrofolic Acid, Glucosamine Salt) 200 mcgVitamin B12 (as Methylcobalamin) 100 mcgBiotin 80 mcgPantothenic Acid (as Calcium Pantothenate) 250 mgCholine Citrate 40 mgOther Ingredients: Hypromellose (derived from cellulose) capsule, Microcrystalline Cellulose, Calcium Laurate, Silicon Dioxide.

Q: what is the ingredient listing in this product?

If you google the product, you can get the full listing from the Thorne website. In the meantime, the ingredients are Thiamin 110 mg, Riboflavin 10 mg, Niacin 140 mg, B6 10 mg, Folate (L-5mthf) 400 mcg, B12 400 mcg, Biotin 400 mcg, Pantothenic Acid 110 mg, Choline Citrate 80 mg.

Q: Do you get the niacin flush with this?

One of the reviewers claimed she got an allergic reaction, but it actually looks and sounds exactly like a niacin flush.

Q: Are these synthetic B vitamins? What is their source?

Thorne’s B vitamins come from a variety of sources. Some are fermented, some are synthesized. These are not food based supplements, but all pure, bio-identical forms of B vitamins.

Product ID: 13228679

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Details

Brand
THORNE
Item Form
Capsule
Primary Supplement Type
B-Complex
Diet Type
Gluten Free
Flavor
Unflavored

🔋8 active B vitamins for max energy

🧠Supports brain & nervous system health

🧪4 rigorous quality testing rounds

Frequently Bought Together

THORNE Basic B-Complex - Tissue-Ready Vitamin B Complex Supplement with Choline - Supports Cellular Energy Production, Brain Health & Red Blood Cell Formation* - Gluten-Free, Dairy-Free - 60 Capsules

THORNE Vitamin D-5000 - Vitamin D3 Supplement - Support Healthy Bones, Teeth, Muscles, Cardiovascular, and Immune Function* - NSF Certified for Sport - Dairy-Free, Soy-Free - 60 Capsules

THORNE Super EPA - Omega-3 Fatty Acids EPA 425mg & DHA 270mg Supplement - Support Brain, Cardiovascular, Joints & Skin* - Gluten, Dairy & Soy-Free - 90 Gelcaps

Description

⚡ Power your day with the B-vitamin formula trusted by champions!

TRUSTED BY CHAMPIONS - Preferred by 100+ pro sports teams & top healthcare practitioners
BOOST CELLULAR ENERGY - Transforms carbs, fats & proteins into lasting fuel for your busy day
COGNITIVE CLARITY FOCUS - Enhances neurotransmitter production to support a sharp, healthy mind
COMPLETE B VITAMIN SPECTRUM - 8 bioavailable B vitamins plus choline for peak cellular function
UNMATCHED QUALITY ASSURANCE - 4 rounds of lab testing ensure purity, potency, and shelf stability

THORNE delivers a potent blend of 8 active B vitamins plus choline, designed to optimize energy metabolism, support brain and nervous system health, and ensure premium quality through 4 rounds of rigorous testing. Endorsed by elite athletes and healthcare pros, it’s your go-to for sustained vitality and cognitive edge.

Have a Question? See What Others Asked

What's the difference between this and the stress b complex they also sell?

what is the ingredient listing in this product?

Do you get the niacin flush with this?

Are these synthetic B vitamins? What is their source?

Common Questions

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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