UPC: 733739005014
# N0501

Product Overview: Maximum Strength Methyl B-12 (10,000 mcg)

Think of vitamin B-12 like high-octane fuel for your nervous system and cellular engines. Standard pills must undergo complex digestive processing, but this formula delivers biologically active methylcobalamin in an easy-dissolving lozenge. It bypasses normal stomach barriers to support nerve insulation, red blood cell synthesis, and clean cellular energy.

Quick Specs Snapshot

  • ✓ Active Form & Potency: 10 mg (10,000 mcg) pure coenzyme Methylcobalamin per single lozenge (416,667% DV).
  • ✓ Primary Target: Cellular methylation cycles, myelin nerve sheath integrity, and mitochondrial energy regeneration.
  • ✓ Supply & Value: 60 lozenges per bottle (a full 2-month clinical replenishment supply).
  • ✓ Purity & Dietary Status: Vegetarian/Vegan, Non-GMO, and free of gluten, soy, dairy, egg, fish, shellfish, and tree nuts.

Buyer's Guide: Coenzyme Form vs. Commodity Big Box Pills

Most low-cost, big box store supplements use cyanocobalamin, a synthetic compound bound to a cyanide molecule. Your liver must strip away that cyanide and attach a methyl group before your cells can use it. Many commodity brands also contain cheap excipients and unverified raw materials. NOW extra strength Methyl B-12 provides the natural, pre-activated coenzyme form (methylcobalamin) [1]. It enters your bloodstream ready to work immediately without demanding extra metabolic energy from your liver.

Is This Formula Right for You?

  • ✓ Adults Over 50: Counteracts natural declines in stomach acid and intrinsic factor production.
  • ✓ Vegans & Vegetarians: Delivers essential cobalamin completely absent from unfortified, plant-based diets.
  • ✓ Targeted Nerve & Cellular Support: Ideal for individuals needing high-dose replenishment for tingling nerves, sluggishness, or genetic methylation bottlenecks [1].

Consider Another Option If:

  • ✗ Low-Dose Daily Maintenance: If you only need a mild daily vitamin boost, NOW's standard 1,000 mcg lozenge is a lighter alternative.
  • ✗ Sugar Alcohol Sensitivities: This formula uses natural xylitol and sorbitol; individuals with severe polyol sensitivities may prefer unflavored liquid drops.
  • ✗ Leber's Hereditary Optic Atrophy: Anyone with this rare hereditary condition or documented cobalt allergies should avoid cobalamin supplements.

The VitaNet® Risk-Free Guarantee: Backed by over 31 years of trusted supplement curation, VitaNet®, LLC offers an unconditional 100% money-back guarantee—and we even pay the return shipping costs, even on opened bottles, allowing you to test this extra strength formula completely risk-free[cite: 1].

How It Works: Cellular Pathways & Direct Mucosal Absorption

Think of your body's standard B-12 uptake pathway as a single, narrow turnstile (intrinsic factor). Under normal conditions, this turnstile locks up after processing just 1.5 to 2 micrograms per meal. By providing 10,000 micrograms in a dissolving lozenge, this formula opens a wide cargo entrance known as passive diffusion [2]. Approximately 1% to 2% of this massive dose moves directly across oral tissues and intestinal walls, delivering 100 to 200 micrograms of pure vitamin straight into your bloodstream [2, 3].

Inside your cells, methylcobalamin works as a master biochemical spark plug. It acts as an essential cofactor for the methionine synthase enzyme, transferring its methyl group (CH3) to convert homocysteine into beneficial methionine [1]. methionine then creates SAMe (S-adenosylmethionine), which builds the protective myelin coating around your nerves—much like the rubber insulation protecting household electrical cords [1, 4]. Simultaneously, healthy B-12 levels promote red blood cell formation and drive mitochondrial energy cycles to combat daytime fatigue [2].

Daily Timing, Synergy & Realistic Timelines

Best Time to Take & Daily Schedule

Take 1 lozenge daily in the morning or early afternoon with or without food. Place it under your tongue or between your cheek and gum, allowing it to dissolve slowly. Because vitamin B-12 actively fuels cellular ATP energy cycles, taking it late at night may cause unwanted wakefulness.

Smart Pairings & Spacing Rules

✓ Synergistic Stacking: Pairs exceptionally well with active methylfolate (5-MTHF) and a balanced B-complex, keeping your methylation and red blood cell pathways running smoothly.
✗ Separation Window: If you take stomach acid-reducing medications (such as proton pump inhibitors or H2 blockers) or biguanides (metformin), take your B-12 lozenge at least 2 hours apart to avoid absorption interference.

What to Expect Over Time

  • ✓ Days 1–7: Rapid mucosal uptake and cellular loading. Most users report a gradual lift in morning alertness and reduced mental fog.
  • ✓ Weeks 3–4: Deep tissue saturation. Red blood cell formation normalizes and homocysteine recycling stabilizes [2, 3].
  • ✓ Months 2–3+: Long-term neurological protection, strong myelin sheath maintenance, and steady cellular vitality [1, 4].

Physical Feel, Sensory Traits & Clean Excipients

Format & Sensory Experience

This formula comes in a small, smooth lozenge designed to dissolve easily in your mouth without gritty residue. It features a pleasant, naturally sweet berry flavor with zero medicinal aftertaste. The lozenges display a natural pinkish hue from pure methylcobalamin crystals; subtle batch-to-batch color variations are completely normal.

Other Ingredients Explained

  • Xylitol & Sorbitol: Tooth-friendly natural plant sweeteners that provide a clean, smooth dissolution.
  • Cellulose: Natural plant fiber that holds the lozenge together without synthetic binders.
  • Citric Acid: Natural fruit acid that provides a refreshing tart taste and balances lozenge stability.
  • Stearic Acid (vegetable source): Plant-derived lubricant that ensures clean, uniform tablet compression during manufacturing.
  • Natural Flavors: Wholesome berry flavor extracts with zero artificial additives or chemical dyes.
Pet Safety Notice: This product contains Xylitol, which is safe for humans but toxic to dogs and cats. Store securely away from family pets.

Proper Storage: Store in a cool, dry place after opening. Keep the non-edible freshness packet inside the bottle to guard against ambient humidity.

NOW Foods Quality: ISO 17025 Labs & Purity Standards

Many discount brands sold in big box stores outsource manufacturing to third-party contract packers without testing raw ingredients for toxic impurities. In contrast, NOW Foods operates state-of-the-art analytical testing facilities accredited under ISO/IEC 17025, conducting over 19,000 analytical tests every single month.

Official Supplement Facts Panel

Supplement Facts

Serving Size: 1 Lozenge
Servings Per Container: 60
Description Amount per Serving % Daily Value
Vitamin B-12
(as Methylcobalamin)
10 mg (10,000 mcg) 416,667%

Other Ingredients: Xylitol, Sorbitol, Cellulose, Citric Acid, Stearic Acid (vegetable source) and Natural Flavors.

Allergen Statement: Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.

Caution: For adults only. Consult physician if pregnant/nursing, taking medication, or have a medical condition. Keep out of reach of children. Xylitol is harmful to pets; seek veterinary care immediately if ingestion is suspected.

This extra strength product has more B-12 (10,000 mcg) than our regular strength product (1,000 mcg). Natural color variation may occur in this product. Do Not Eat Freshness Packet. Keep in Bottle. Family owned since 1968.

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Scientific References & Clinical Studies

  1. Paul C, Brady DM. "Comparative Bioavailability and Utilization of Particular Forms of B12 Supplements With Potential to Mitigate B12-Related Genetic Polymorphisms." Integrative Medicine: A Clinician's Journal, 2017. PMC5312744.
  2. Carmel R. "How I treat cobalamin (vitamin B12) deficiency." Blood, 2008. PMID: 18606874.
  3. Chan CQ, Low LL, Lee KH. "Oral Vitamin B12 Replacement for the Treatment of Pernicious Anemia." Frontiers in Medicine, 2016. PMID: 27602354.
  4. Vidal-Alaball J, Butler CC, Cannings-John R, et al. "Oral vitamin B12 versus intramuscular vitamin B12 for vitamin B12 deficiency." Cochrane Database of Systematic Reviews, 2005 (Updated 2018). PMID: 16034940.

Frequently Asked Questions

1. Why is the potency 10,000 mcg if the Daily Value is only 2.4 mcg?

Dietary absorption using intrinsic factor saturates after only 2 micrograms. High-dose lozenges bypass this bottleneck via passive diffusion, absorbing roughly 1% to 2% across oral and intestinal membranes. A 10,000 mcg lozenge ensures 100 to 200 mcg of active B-12 enters circulation, rapidly refilling depleted cellular reserves.

2. Should I chew the lozenge or let it dissolve under my tongue?

Letting the lozenge dissolve slowly under your tongue or in your cheek provides the greatest benefit. This allows active methylcobalamin to enter oral capillaries directly, bypassing digestive acids. However, chewing the lozenge is also effective because high-potency cobalamin absorbs efficiently across intestinal walls via passive diffusion.

3. Is 10,000 mcg safe to take daily, or can I take too much?

Vitamin B-12 is water-soluble with an exceptional safety profile. The National Academy of Medicine has established no Tolerable Upper Intake Level (UL) for cobalamin because excess amounts are harmlessly filtered and excreted through urine.

4. Will this formula turn my urine bright neon yellow?

No. Bright neon-yellow urine is caused by excess Vitamin B-2 (riboflavin). Pure Vitamin B-12 does not noticeably alter urine color. You may, however, notice a harmless pinkish tint if higher amounts are excreted in your urine.

5. Why is there a warning about pets on the product label?

This lozenge is sweetened with xylitol, a natural plant sweetener that supports human dental health. However, xylitol can trigger severe hypoglycemia and liver issues in dogs and cats. Always store this bottle securely away from household pets.

Helpful Customer Reviews



Supplemental Information