Thorne Research

Basic B Complex

$27.00

SIZE: 60 Capsules

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The Promise

Basic B Complex — Thorne Research Comprehensive B vitamins in active, tissue-ready forms

One-capsule formula delivering a full spectrum of B vitamins, including active cofactors and choline in a vegetarian capsule.

Identity

Thorne Research Basic B Complex — dietary supplement, 60 hypromellose (cellulose-derived) capsules per bottle.

Principal ingredients & forms

Provides active forms: Riboflavin 5'-phosphate, Pyridoxal 5'-phosphate, L-5-Methyltetrahydrofolate (5‑MTHF) as glucosamine salt, Methylcobalamin (B12), plus thiamin, niacin/niacinamide, biotin, pantothenic acid, choline citrate.

Key formulation facts

Designed to deliver B vitamins in tissue-ready coenzyme forms to bypass hepatic activation steps; includes microcrystalline cellulose, calcium laurate, leucine, magnesium citrate, silicon dioxide.

Dietary & quality notes

Vegetarian capsule (hypromellose). Serving count: 60 capsules. Contains both niacin and niacinamide.

Why It Works

Why these ingredients matter Exact forms and amounts provided for predictable nutrient delivery

Specific active cofactors and quantified doses clarify what each capsule supplies.

01

Riboflavin (R5P)

Riboflavin as Riboflavin 5'-Phosphate Sodium — 10 mg per capsule (769% DV).

02

Vitamin B6 (P5P)

Vitamin B6 as Pyridoxal 5'-Phosphate — 10 mg per capsule (588% DV).

03

Folate (5‑MTHF)

Folate as L-5-Methyltetrahydrofolate (glucosamine salt) — 400 mcg (667 mcg DFE) per capsule (167% DV).

04

Vitamin B12 (methylcobalamin)

Vitamin B12 as Methylcobalamin — 400 mcg per capsule (16,667% DV).

Reviews

Customer Reviews

Your Journey

How to use & safety Clear serving guidance, packaging, and precautions from the label

Follow labeled directions and heed contraindications and interaction notes.

Serving

Suggested use

Take 1 capsule one to three times daily or as recommended by your health-care practitioner.

Format & quantity

Dosage form and supply

One capsule per serving; 60 servings per container.

Warnings

Allergy, pregnancy & interactions

Contraindicated with hypersensitivity to any ingredient. If pregnant, consult your health‑care practitioner before use. Niacin may cause temporary flushing, itching, or a rash.

Storage & other ingredients

Excipients and capsule

Other ingredients include Microcrystalline Cellulose, Calcium Laurate, Leucine, Magnesium Citrate, Silicon Dioxide; capsule material is hypromellose (derived from cellulose).

Product education

Basic B Complex: A Foundation for Cellular Energy and Neurological Health

Thorne’s Basic B Complex provides a comprehensive blend of essential B vitamins in their most bioavailable forms, creating a foundational supplement for whole-body wellness. The B vitamin family is crucial for the body’s most fundamental processes, from converting food into cellular energy to supporting the healthy function of the nervous system and the synthesis of DNA. This formula is expertly crafted to be gentle and effective, delivering these vital nutrients in their active, tissue-ready states for superior absorption and utilization.*

How It Works: The Advantage of Active B Vitamins

This isn’t your standard B complex. Many B vitamins require conversion by the liver into their active forms before they can be used by the body—a process that can be inefficient for many individuals, particularly those with common genetic variations like in the MTHFR gene. Basic B Complex bypasses these steps to deliver maximum benefit.*

Optimized for Energy and Performance
This formula provides a full spectrum of B vitamins, including the active forms of B2 (riboflavin 5’-phosphate), B6 (pyridoxal 5’-phosphate), folate (5-MTHF), and B12 (methylcobalamin). These coenzymes are essential for the Krebs cycle, the body’s primary energy-producing process. By fueling your mitochondria, Basic B Complex helps combat fatigue, supports athletic performance, and promotes sustained energy levels without the use of stimulants.*

Support for Nerves, Mood, and More
Beyond energy, these nutrients are vital for neurological health. They support the healthy formation of red blood cells, promote the synthesis of crucial neurotransmitters like serotonin and dopamine that regulate mood, and aid in the healthy functioning of nerves. The inclusion of choline citrate further supports brain function and cognitive performance. This makes Basic B Complex an excellent choice for individuals managing high levels of stress, athletes, and anyone seeking to optimize their daily energy and mental clarity.*

  • Promotes cellular energy production to combat fatigue*
  • Supports healthy nervous system function and a positive mood*
  • Contains the active, tissue-ready forms of B vitamins for superior absorption*
  • Ideal for individuals needing methylation support or with MTHFR gene variants*
  • Supports healthy red blood cell formation and cognitive function*

Supplement record

Review serving details and ingredients for this product.

Supplement Facts:
Suggested Use: Take 1 capsule one to three times daily or as recommended by your health-care practitioner.
Serving Size: One Capsule
Servings Per Container: 60
Ingredient Amount %DV
Thiamin (as Thiamin HCl) 110 mg 9,167%
Riboflavin (as Riboflavin 5'-Phosphate Sodium) 10 mg 769%
Niacin (130 mg as Niacinamide and 10 mg as Niacin) 140 mg 875%
Vitamin B6 (as Pyridoxal 5'-Phosphate) 10 mg 588%
Folate (400 mcg as L-5-Methyltetrahydrofolate† from L-5-Methyltetrahydrofolic Acid, Glucosamine Salt) 667 mcg DFE 167%
Vitamin B12 (as Methylcobalamin) 400 mcg 16,667%
Biotin 400 mcg 1,333%
Pantothenic Acid (as Calcium Pantothenate) 110 mg 2,200%
Choline (as Choline Citrate) 28 mg 5%
Other ingredients: Hypromellose (derived from cellulose) capsule, Microcrystalline Cellulose, Calcium Laurate, Leucine, Magnesium Citrate, Silicon Dioxide.
*Daily Value (DV) not established.
ALLERGY WARNING This product is contraindicated in an individual with a history of hypersensitivity to any of its ingredients.
PREGNANCY If pregnant, consult your health-care practitioner before using this product.
INTERACTIONS Niacin may cause temporary flushing, itching, or a rash on the skin.