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- UPC: 733739004703
- # N0470
NOW Foods Choline & Inositol 500 mg (250 mg / 250 mg) – 100 Veg Capsules
NOW Foods Choline & Inositol combines two closely related, water-soluble nutrients that play an essential role in how your body manages fats, maintains healthy cell membranes, and sends signals through your nervous system. Although historically grouped with the B-vitamin complex, choline and inositol are specialized nutritional compounds that work in tandem as natural “lipotropics”—agents that help your liver process, break down, and transport fatty acids so they do not accumulate in liver tissue.
Each single vegetable capsule delivers a balanced 1:1 ratio featuring 250 mg of elemental Choline (sourced from 630 mg of bioavailable Choline Bitartrate) and 250 mg of pure Inositol (myo-inositol). Together, they provide foundational support for three critical bodily systems:
- ✓ Healthy Liver Function & Fat Export: Assists your liver in assembling very-low-density lipoproteins (VLDL), which are needed to ship triglycerides out of liver cells and into circulation for energy production.
- ✓ Nerve Transmission & Memory: Provides raw building material for acetylcholine, the primary neurotransmitter your brain relies on for focus, recall, muscle contraction, and restful nervous system balance.
- ✓ Cellular Membrane Fluidity: Supplies the direct structural precursors needed to form phosphatidylcholine and phosphatidylinositol, keeping the outer walls of every cell in your body flexible and responsive to hormone signaling.
Manufactured under rigorous current Good Manufacturing Practices (cGMP) in the United States, this formula is encapsulated in clean plant cellulose (hypromellose), making it 100% vegetarian, vegan, and free of common allergens including soy, gluten, and dairy.
How Choline and Inositol Work: Mechanism of Action & Scientific Evidence
To appreciate why choline and inositol are paired together, it helps to understand how your cells process fats and send electrical messages. While they serve distinct metabolic roles, their biochemical pathways intersect in cell membranes and hepatic (liver) tissue.
1. Choline: The Essential Methyl Donor and Acetylcholine Precursor
Choline is officially recognized by the Institute of Medicine (National Academies of Sciences) as an essential human nutrient. While your liver can synthesize small quantities through the phosphatidylethanolamine N-methyltransferase (PEMT) pathway, clinical studies demonstrate that endogenous production is insufficient to meet physiological needs in most men and postmenopausal women (Zeisel & da Costa, Nutrition Reviews, 2009; NIH Office of Dietary Supplements).
Inside your body, choline fulfills three primary tasks:
- Fat Transport via VLDL Secretion: Your liver requires phosphatidylcholine to assemble the outer phospholipid shell of very-low-density lipoproteins (VLDL). Without adequate choline, fats (triglycerides) become trapped inside liver cells because the liver cannot package them for export. Controlled clinical trials show that choline depletion directly leads to hepatic steatosis (fatty liver) and elevated liver enzymes, which reverse upon choline repletion (Corbin & Zeisel, Current Opinion in Gastroenterology, 2012; Buchman et al., Hepatology).
- Neurotransmitter Production: Choline is acetylated by the enzyme choline acetyltransferase to make acetylcholine. Acetylcholine governs neuromuscular communication (muscle firing) as well as central nervous system tasks including memory formation, cognitive processing, and sleep cycle regulation.
- Homocysteine & Methylation Support: Through oxidation into betaine, choline donates methyl groups to convert potentially damaging homocysteine into methionine via the enzyme betaine-homocysteine S-methyltransferase (BHMT), supporting cardiovascular and endothelial health.
2. Inositol: The Cellular Second Messenger
Inositol, supplied in this formula in its most biologically prevalent form (myo-inositol), is a carbocyclic sugar that acts as a fundamental structural element of cell membranes. It forms the backbone of phosphatidylinositol 4,5-bisphosphate (PIP2), a key molecule in the intracellular “second messenger” system (Berridge, Nature, 1993).
When circulating hormones or neurotransmitters (such as serotonin, dopamine, or insulin) bind to receptors on the outside of a cell, inositol molecules inside the cell membrane split into inositol trisphosphate (IP3) and diacylglycerol (DAG). These sub-compounds trigger calcium release, instructing the cell how to respond. In plain language, inositol ensures that when your brain sends a chemical command, the receiving cell actually “hears” and executes the message.
3. Why the Lipotropic Combination Works Better Together
When taken together, choline and inositol work synergistically. Choline supplies the building blocks for lipid transport machinery, while inositol facilitates healthy insulin receptor sensitivity and intracellular fat signaling. This combined action helps maintain smooth bile flow, prevents lipid stagnation in liver tissue, and preserves the lipid bilayer that protects every nerve axon in your peripheral and central nervous systems.
Supplement Facts, Exact Potency & Complete Ingredients
Transparency in supplement labeling is vital. Below is the verified nutritional breakdown for NOW Foods Choline & Inositol (Item Code: 0470 / UPC: 733739004703).
| Nutrient / Active Ingredient | Amount Per 1 Veg Capsule | % Daily Value (% DV) |
|---|---|---|
| Choline (from 630 mg Choline Bitartrate) | 250 mg | 45% |
| Inositol (Myo-Inositol) | 250 mg | † Daily Value not established |
Servings Per Container: 100 | Serving Size: 1 Veg Capsule
Complete Other Ingredients:
Hypromellose (cellulose capsule), Stearic Acid (vegetable source), and Silicon Dioxide.
Allergen & Dietary Manufacturing Profile:
- ✓ Free From Top Allergens: Not manufactured with yeast, wheat, gluten, soy, milk, egg, fish, shellfish, tree nut, or sesame ingredients.
- ✓ 100% Vegan & Vegetarian: Uses plant-based hypromellose capsules without animal gelatin or bovine byproducts.
- ✓ Certified Clean: Non-GMO Project Verified, Kosher (Triangle K), Halal, and Soy-Free formulation.
- ✓ GMP Facility Standard: Produced in an A-rated Good Manufacturing Practices facility that rigorously cleans lines between production runs to prevent cross-contact.
NOW Foods Lab Testing Standards & Contaminant Verification
In the dietary supplement marketplace, unverified third-party sellers frequently distribute products that fail basic potency testing or contain undisclosed contaminants. NOW Foods eliminates that risk by maintaining one of the most comprehensive private analytical testing programs in the nutritional science sector.
Operating out of accredited laboratory complexes spanning over 15,000 square feet in Bloomingdale, Illinois, and Sparks, Nevada, NOW conducts more than 19,000 analytical tests every month across raw materials and finished products.
Strict Analytical Testing Disciplines:
- ISO/IEC 17025:2017 Laboratory Accreditation: NOW’s internal laboratories hold formal ISO 17025 accreditation, the global gold standard for technical competence, instrument calibration, and data accuracy in chemical and microbiological testing.
- Parts-Per-Billion Heavy Metal Screening (ICP-MS): Raw choline bitartrate and inositol powders are screened using Inductively Coupled Plasma Mass Spectrometry (ICP-MS). This high-precision technology detects trace elements down to parts-per-billion (ppb), enforcing internal limits for lead, inorganic arsenic, cadmium, and mercury that meet or exceed stringent California Proposition 65 and U.S. Pharmacopeia (USP) safety thresholds.
- Chromatographic Potency Verification (HPLC & GC-MS): High-Performance Liquid Chromatography (HPLC) and Gas Chromatography-Mass Spectrometry (GC-MS) verify that every capsule delivers exactly 250 mg of elemental choline and 250 mg of active inositol through the product’s stamped expiration date, while confirming the absence of solvent residues and over 500 potential agricultural pesticides.
- Identity & Purity Fingerprinting (FTIR & PCR): Fourier-Transform Infrared Spectroscopy (FTIR) creates a unique spectral molecular “fingerprint” of incoming powders, ensuring raw materials are 100% authentic and unadulterated before encapsulation begins.
- Microbiological Screening: Every batch is cultured and evaluated for pathogenic microorganisms, including Salmonella, Escherichia coli, Staphylococcus aureus, coliforms, yeasts, and molds.
NOW holds an “A-rated” cGMP certification from the Natural Products Association (NPA) and is certified by UL Solutions, ensuring continuous compliance with federal 21 CFR Part 111 dietary supplement safety mandates.
Usage Instructions, Dosage Nuances & Safety Precautions
Suggested Daily Usage:
Adults take 1 capsule daily, preferably with a meal, swallowed with a full glass of water. Store in a cool, dry place away from direct sunlight after opening.
Practical Insights from the Field:
- Take With a Meal Containing Healthy Fats: Although both nutrients are water-soluble, choline actively participates in bile synthesis and lipid emulsification. Taking your capsule alongside breakfast or lunch improves digestive comfort and coordinates with your liver’s natural daytime digestive cycle.
- Understanding the 630 mg Salt Weight: The front label indicates 250 mg of choline, but the supplement facts panel specifies “from 630 mg Choline Bitartrate.” Choline bitartrate is a stabilized nutrient salt composed of roughly 40–41% elemental choline bonded to tartaric acid. NOW includes a full 630 mg of the compound to ensure you receive 250 mg of pure, usable choline.
- Choosing Between Combination vs. High-Dose Inositol: This balanced 1:1 formulation is optimized for daily lipid transport, liver bile flow, and baseline neurological maintenance. If you are specifically seeking clinical high-dose inositol protocols (such as 2,000 mg to 4,000 mg daily for polycystic ovarian syndrome or specialized mood support), you should choose a dedicated pure inositol powder or capsule. Taking 8 to 16 capsules of this combination would push your daily choline intake near or above the established Tolerable Upper Intake Level (UL) of 3,500 mg per day.
Precautions & Contraindications:
✓ Adults Only: This formulation is intended for adults aged 18 and older. Keep out of reach of children.
✓ Pregnancy and Nursing: If you are pregnant, planning to become pregnant, or nursing, consult your healthcare practitioner before taking supplemental choline or inositol.
✓ Medication Interactions: Consult your physician if you are taking prescription medications, particularly anticholinergic drugs, acetylcholinesterase inhibitors, or mood-stabilizing agents such as lithium (which directly interacts with the cellular inositol depletion cycle).
Why Buy NOW Foods Choline & Inositol from VitaNet
When you order dietary supplements online, product authenticity, storage conditions, and retailer accountability directly affect your health. VitaNet®, LLC is an independent, family-owned discount vitamin and herb retailer that has been serving health-conscious customers online since 1995[cite: 1].
With over 31 years of direct, hands-on experience in the natural health products industry, VitaNet provides distinct advantages over impersonal third-party marketplace sellers[cite: 1]:
- Authentic Factory Sourcing & Freshness: We maintain direct wholesale distributor accounts with established American manufacturers like NOW Foods[cite: 1]. Every bottle is stored in our dedicated, climate-regulated fulfillment facility to ensure active ingredients maintain full label potency[cite: 1].
- Brick-and-Mortar Heritage: Unlike fly-by-night digital storefronts, VitaNet operates an established retail facility located at 887 Edison Street Northwest in Hartville, Ohio[cite: 1].
- A+ Rated by the Better Business Bureau: Our three-decade business history is anchored by an A+ accreditation from the Better Business Bureau (BBB), reflecting reliable customer service, transparent business practices, and prompt fulfillment[cite: 1].
- Unconditional 100% Money-Back Guarantee: We stand behind every product we sell with a complete 100% money-back guarantee[cite: 1]. If you are unsatisfied for any reason, we even pay return shipping costs, even on opened bottles[cite: 1].
- Direct Telephone Support: Have a question about your order or shipping? Our knowledgeable customer support team is available by phone at (330) 877-8786 to provide personal assistance[cite: 1].
Frequently Asked Questions (FAQ)
What is NOW Foods Choline & Inositol used for?
NOW Foods Choline & Inositol provides 250 mg of choline and 250 mg of inositol per capsule to support liver fat metabolism, normal cellular communication, and healthy neurotransmitter production (acetylcholine) for cognitive and nervous system function.
How do choline and inositol support liver fat metabolism?
Both compounds act as natural lipotropic agents. Choline is required for the body to synthesize phosphatidylcholine, an essential structural component of very-low-density lipoproteins (VLDL). VLDL transports triglycerides out of liver tissue and into circulation, preventing excessive fat accumulation in the liver. Inositol complements this by supporting cellular insulin signaling and intracellular fat regulation.
Why does the label say 630 mg Choline Bitartrate for 250 mg of Choline?
Pure elemental choline is unstable on its own, so it is bonded to tartaric acid to create stable choline bitartrate. Choline bitartrate is approximately 40% to 41% elemental choline by weight. Therefore, NOW Foods includes 630 mg of choline bitartrate in each capsule to yield a full 250 mg of active, elemental choline.
