ProHealth Longevity Vitamin B12 – Methylcobalamin 5000 mcg, 120 Lozenges

Who Should Take a Vitamin B12 Supplement?

Vitamin B12 supplementation is beneficial for several populations, particularly those following vegetarian or vegan diets. Older adults with reduced stomach acid production may also struggle to absorb B12 from food, making a supplement a practical choice. Individuals with digestive disorders such as Crohn's disease, celiac disease, or atrophic gastritis may have similar absorption challenges, as can those taking medications that reduce stomach acid. ProHealth Longevity Vitamin B12 provides 5,000 mcg of methylcobalamin per lozenge—the active form ready for your body to use—making it ideal for anyone looking to maintain healthy energy levels, cognitive function, and methylation pathways.

Key Benefits of Vitamin B12

Vitamin B12 contributes to numerous aspects of health. It supports normal energy yielding metabolism, helping your body convert carbohydrates, fats, and proteins into ATP—your cells' primary energy currency. Many users report feeling more energetic when taking B12, though it is not a stimulant. This nutrient also supports the normal function of the nervous system, including maintenance of the myelin sheaths that protect nerve fibres. Healthy homocysteine metabolism is another benefit: B12 helps maintain already-healthy homocysteine levels, which is important for cardiovascular health. The methylcobalamin form used in this supplement acts as a methyl donor, directly supporting methylation and DNA synthesis. Consistent with Health Canada guidelines, these statements have not been evaluated by Health Canada. This product is not intended to diagnose, treat, , or prevent any disease.

How to Choose the Best B12 Supplement

Not all B12 supplements are created equal. The form of B12 matters: methylcobalamin is the biologically active form that does not require conversion in the body, making it ideal for those with methylation issues or liver concerns. Cyanocobalamin is synthetic and must be converted, but methylcobalamin offers superior bioavailability. Dosage is another factor—ProHealth provides 5,000 mcg per lozenge, a potent dose that can help correct deficiencies. The sublingual delivery method allows B12 to enter the bloodstream directly, bypassing digestive barriers. Quality certifications also matter: ProHealth’s formula is third party lab tested, GMP-certified, and manufactured in the USA. It is free from contaminants, heavy metals, fillers, and byproducts, ensuring purity. When selecting a B12 supplement, look for transparency in testing and a trusted brand—ProHealth has been an A+ rated BBB company for over 34 years.

Recommended Dosage and How to Take B12

For general wellness, many adults take 1,000-5,000 mcg of B12 daily. ProHealth Longevity delivers 5,000 mcg per lozenge, which is a common dose for robust support. To use, place one lozenge under the tongue and allow it to dissolve completely for sublingual absorption. It is best taken in the morning with or without food. Always read the label and follow directions for use. As with any supplement, consult your health care provider before starting a new regimen, especially if you are pregnant, nursing, or have a medical condition. This product is not intended to replace a balanced diet.

Frequently Asked Questions

Can you take too much B12?

Vitamin B12 is water-soluble, meaning excess amounts are excreted in urine. High doses up to 5,000 mcg are generally considered safe, as no tolerable upper intake level has been established. However, always follow the recommended dosage and consult a professional if unsure.

Is methylcobalamin better than cyanocobalamin?

Methylcobalamin is the active form that does not require conversion, making it more bio-available for those with compromised methylation or liver function. It also supports methylation directly, which is not the case with cyanocobalamin.

How long will one bottle last?

Each bottle contains 120 lozenges. At a serving size of one lozenge per day, it provides a 120-day supply.

Product Highlights

• 5,000 mcg of methylcobalamin (bioactive vitamin B12) per lozenge
• Supports energy metabolism, brain function, and methylation
• Sublingual lozenges for enhanced absorption
• Third party lab tested for purity and potency
• Non-GMO, gluten-free, and free from artificial fillers
• Manufactured in a GMP-certified facility in the USA

Usage Instructions

Take one lozenge daily. Place under the tongue and allow to dissolve. Do not swallow whole. Store in a cool, dry place. Keep out of reach of children. For additional information, consult the product label. Always read the label and follow directions for use.