NOW Foods Vitamin B-6 100 mg — High-Potency Nervous System & Cellular Energy Support
Vitamin B-6 (pyridoxine hydrochloride) is a vital water-soluble nutrient required for more than 100 essential biochemical reactions throughout your body every day. NOW Foods Vitamin B-6 100 mg delivers a concentrated, vegetarian-friendly dose designed to support cardiovascular vascular integrity through homocysteine regulation, balanced neurotransmitter production, and healthy cellular energy conversion.
Key Product Highlights at a Glance
✓Potent Daily Dose: 100 mg Pyridoxine HCl (5,882% Daily Value) per single vegetable capsule.
✓Cardiovascular Defense: Regulates the breakdown of homocysteine to protect blood vessel walls.
✓Neurotransmitter Production: Acts as a key enzymatic cofactor for serotonin, dopamine, and GABA synthesis.
✓Clean Excipients: Free of artificial binders; formulated solely with rice flour and vegetable cellulose.
✓Lab-Verified Purity: Tested in ISO/IEC 17025 accredited facilities for heavy metals, microbes, and potency.
How Vitamin B-6 Works in Your Body: The Science in Plain English
In dietary supplements, Vitamin B-6 commonly arrives as pyridoxine hydrochloride. Once swallowed, your liver and tissues convert pyridoxine into its biologically active coenzyme form: pyridoxal 5′-phosphate (PLP). PLP functions as an indispensable biological helper molecule that powers key body systems:
1. Breaking Down Homocysteine to Protect Heart and Blood Vessels
Whenever your body metabolizes protein, it creates a temporary byproduct called homocysteine. If homocysteine levels rise too high in the bloodstream, it can cause oxidative stress and irritate the delicate inner lining of your blood vessels. Vitamin B-6 works directly with enzymes (specifically cystathionine β-synthase) to transform homocysteine into cystathionine and ultimately harmless antioxidants like glutathione (Ref: National Institutes of Health Office of Dietary Supplements, Vitamin B6 Fact Sheet; Selhub J., Food & Nutrition Bulletin).
2. Fueling Neurotransmitter Synthesis for Mood and Mental Focus
Your central nervous system depends heavily on PLP to manufacture essential chemical messengers. Vitamin B-6 is a required cofactor for the decarboxylation of amino acids that form serotonin (which influences mood and relaxation), dopamine (which drives motivation and reward), norepinephrine (which regulates alertness), and GABA (the primary calming neurotransmitter in the brain) (Ref: Kennedy D.O., Nutrients, 2016).
3. Converting Food into Usable Energy
Vitamin B-6 plays an irreplaceable part in gluconeogenesis (creating glucose from non-carbohydrate sources) and glycogenolysis (releasing stored energy from muscles and liver tissue). It ensures that proteins and dietary fats are efficiently dismantled into basic building blocks for cellular energy and tissue repair.
NOW Foods item #0458 uses simple, clean ingredients without hidden proprietary blends, artificial preservatives, or animal-derived gelatin.
Supplement Facts
Serving Size: 1 Veg Capsule | Servings Per Container: 100 or 250
Ingredient
Amount Per Serving
% Daily Value
Vitamin B-6 (from Pyridoxine Hydrochloride)
100 mg
5,882%
Detailed Ingredients
Active Ingredient: Pyridoxine Hydrochloride (providing 100 mg elemental Vitamin B-6).
Other Ingredients: Rice Flour and Hypromellose (vegetarian cellulose capsule).
Allergen & Dietary Status
Free of: Wheat, gluten, soy, milk, egg, fish, shellfish, and tree nut ingredients. Manufactured in an NPA-certified, cGMP facility that processes other ingredients containing these allergens. Suitable for vegans and vegetarians. Non-GMO, Halal, and Kosher certified.
NOW Foods Quality Testing & Strict Contaminant Constraints
Not all Vitamin B supplements sold online offer the same chemical purity. Low-grade vitamins often contain unreacted chemical reagents, solvent residues, or heavy metals. NOW Foods operates a state-of-the-art analytical testing complex spanning over 15,000 square feet, certified under the internationally recognized ISO/IEC 17025 accreditation standard.
Inductively Coupled Plasma Mass Spectrometry (ICP-MS)
Every batch of incoming raw material and finished capsules is examined with ICP-MS instrumentation to detect trace heavy metals. Contaminants such as Lead (Pb), Arsenic (As), Cadmium (Cd), and Mercury (Hg) are screened down to the parts-per-billion (ppb) level, ensuring compliance with strict United States Pharmacopeia (USP) standards and California Proposition 65 limits.
Potency is verified using HPLC to confirm that each capsule contains the exact 100 mg active pyridoxine content stated on the label throughout its full shelf-life, avoiding both under-dosing and degradation.
Microbiological & Pathogen Screening
Comprehensive laboratory cultures ensure that every batch is entirely free of pathogenic E. coli, Salmonella species, Staphylococcus aureus, molds, and yeasts.
Who Needs 100 mg B-6, Dosage Guidance, and Critical Safety Limits
The standard Recommended Dietary Allowance (RDA) for baseline adult survival ranges between 1.3 mg and 1.7 mg per day. A dose of 100 mg is a high-potency therapeutic serving designed for individuals with elevated nutritional needs, including:
Individuals working with a physician to normalize elevated plasma homocysteine levels.
Women seeking nutritional support for premenstrual syndrome (PMS) emotional balance and water retention.
Those taking medications that deplete pyridoxine reserves (such as isoniazid, hydralazine, or certain oral contraceptives).
Important Safety & Upper Intake Warning
Tolerable Upper Intake Level (UL): The Food and Nutrition Board of the National Academies of Sciences, Engineering, and Medicine has set the adult UL for Vitamin B-6 at 100 mg per day (Ref: Dietary Reference Intakes for B Vitamins, National Academies Press).
Chronic daily intake exceeding 200 mg to 500 mg per day over prolonged periods has been documented in scientific literature to cause reversible peripheral sensory neuropathy (numbness, tingling, or unsteady gait). Do not exceed the recommended dose of one capsule daily unless directed by your healthcare professional. If you take Levodopa for Parkinson's disease, uncarboxylated B-6 can reduce medication effectiveness unless combined with carbidopa.
Pyridoxine HCl vs. Coenzymated P-5-P: Which Form Should You Take?
Supplement shoppers often wonder whether they should choose standard Pyridoxine Hydrochloride or Pyridoxal-5-Phosphate (P-5-P). Here is the biochemical reality explained simply:
Pyridoxine Hydrochloride (HCl)
How it works: Absorbed in the small intestine via passive diffusion and converted into active PLP in the liver using the enzyme pyridoxal kinase.
Primary Advantage: Exceptional chemical stability, proven track record in thousands of clinical trials, and maximum affordability.
Best For: Most healthy adults looking for reliable, everyday nervous system and homocysteine support.
Pyridoxal-5-Phosphate (P-5-P)
How it works: The coenzymated active form. It is dephosphorylated during gut absorption and re-phosphorylated inside cells.
Primary Advantage: Does not require liver enzymatic conversion.
Best For: Individuals with compromised liver function or verified genetic variations in pyridoxal conversion pathways.
Why Order from VitaNet®, LLC? Built on Real Hands-On Experience
Purchasing vitamins online should never feel like a gamble with unverified warehouse third-party sellers. VitaNet®, LLC is an independent, family-owned discount retailer providing customers with premium, scientifically backed nutritional supplements online since 1995[cite: 1].
✓31+ Years of Natural Health Experience: Our team brings over three decades of direct industry knowledge to every product we stock[cite: 1].
✓100% Unconditional Money-Back Guarantee: We stand behind every product we sell and even cover the return shipping costs, even on opened bottles[cite: 1].
✓Fresh Inventory Direct from Manufacturers: Products are stored in climate-controlled conditions at our physical facility at 887 Edison Street NW, Hartville, Ohio 44632[cite: 1].
✓Real Telephone Customer Support: Speak with a helpful team member directly by calling (330) 877-8786[cite: 1].
Best Practices: How to Take NOW Vitamin B-6 100 mg
Suggested Use: Adults take 1 vegetable capsule daily.
Timing: Best taken in the morning or early afternoon with a meal. Taking high-potency B vitamins on an empty stomach may occasionally cause mild stomach upset in sensitive individuals. Because B vitamins play a role in neurotransmitter stimulation and cellular energy production, taking them right before bed may cause vivid dreams or interfere with restful sleep.
Hydration: Vitamin B-6 is water-soluble; swallow with a full 8-ounce glass of pure water. Any surplus water-soluble vitamins are naturally excreted through the urine.
Synergy: Vitamin B-6 works synergistically when paired with Vitamin B-12 and Folate (Vitamin B-9) for comprehensive homocysteine management.
Frequently Asked Questions (FAQ)
Why does this capsule contain 100 mg when the Daily Value is only 1.7 mg?
The Daily Value (DV) represents the minimum intake required to prevent clinical deficiency diseases such as microcytic anemia or dermatitis. Higher supplemental amounts like 100 mg are used under clinical or targeted protocols to assist with homocysteine recycling, PMS discomfort, and neurotransmitter balance. 100 mg is the established safe adult Tolerable Upper Intake Level (UL).
Can Vitamin B-6 cause nerve tingling or numbness?
Sensory neuropathy has only been documented with sustained mega-doses, typically exceeding 200 mg to 500 mg daily over several months or years. The 100 mg daily dose in this product aligns with the safe adult Upper Limit established by medical authorities. If you experience unexpected tingling in your extremities, discontinue use and speak with your doctor.
Is NOW Vitamin B-6 100 mg vegan and allergen-free?
Yes. This product is encapsulated in vegetarian hypromellose and contains only hypoallergenic rice flour as an excipient. It contains zero gluten, wheat, soy, dairy, eggs, fish, shellfish, or tree nut ingredients.
How does NOW Foods test for heavy metals and purity?
NOW Foods utilizes in-house ISO/IEC 17025 accredited analytical laboratories equipped with ICP-MS (Inductively Coupled Plasma Mass Spectrometry) to quantify heavy metals like lead, mercury, cadmium, and arsenic down to parts per billion. Potency is verified using High-Performance Liquid Chromatography (HPLC).
What is VitaNet's return policy if this supplement doesn't agree with me?
VitaNet®, LLC offers a 100% unconditional money-back guarantee on all products, and we even pay the return shipping costs if you are unsatisfied with your order[cite: 1].