SISU Vitamin B12 Tablets, Methylcobalamin B12 1000mcg, 90-180 Tablets

SISU Vitamin B12 1000mcg Methylcobalamin Details

SISU Vitamin B12 1000mcg is a fast-dissolving sublingual B12 tablet using methylcobalamin — the active, body-ready form of B12 your cells use directly. Sublingual means it dissolves under your tongue and absorbs straight into the bloodstream, bypassing the digestive system. Made in Canada. Vegan, non-GMO, and free from common allergens.

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Quick Facts

Who SISU B12 Methylcobalamin Is For

• Vegans and vegetarians — B12 is found mainly in animal foods, so plant-based diets often need supplementation
• Adults over 50, who absorb less B12 from food due to reduced stomach acid
• People with low energy who've had a blood test showing low B12
• People taking metformin or long-term acid-reducing medications (both can deplete B12)
• Anyone wanting the active methylcobalamin form rather than the synthetic cyanocobalamin

Who this product is NOT for: If you eat meat and dairy regularly and have no symptoms or risk factors, you likely don't need a B12 supplement. If you're unsure whether you're low in B12, a simple blood test can confirm.

Vitamart's Take

SISU Vitamin B12 is a daily B12 supplement that supports energy, red blood cell formation, and healthy nerve function. It uses methylcobalamin, the active form of B12, in a sublingual tablet that dissolves under the tongue. It's vegan and made in Canada.

How SISU B12 Compares

Methylcobalamin vs Cyanocobalamin

Methylcobalamin (SISU's form): The active form your body uses directly. Most healthcare practitioners now recommend this form.
Cyanocobalamin: A synthetic form your body must convert to methylcobalamin. Lower cost, fine for most people, but less efficient.

Sublingual vs Swallow Tablets

Sublingual (under the tongue): Absorbs directly into the bloodstream, bypassing the digestive system. Useful for older adults and people with absorption issues.
Swallowed Tablets: Absorbed through the digestive tract. Works fine for most adults under 50 with healthy digestion.

SISU B12 vs B-Complex

SISU B12: Just B12 at a strong 1,000 mcg dose — targeted for people who specifically need B12.
B-Complex: All 8 B vitamins together. A fit if you want general B-vitamin support, not B12-specific.

Methylcobalamin vs Cyanocobalamin: Why It Matters

Vitamin B12 comes in several forms on the supplement shelf. The two you'll see most often are:

• Methylcobalamin: The active, body-ready form. Your cells use it directly with no conversion required. Found naturally in animal foods.
• Cyanocobalamin: A synthetic form made in a lab. Lower-cost to produce. Your body must convert it to methylcobalamin to use, which is fine for most healthy adults but adds a step.

For most people, either form works. Methylcobalamin is generally preferred for older adults, vegans, vegetarians, and anyone with absorption issues, because it skips the conversion step. If you've been told you're low in B12, methylcobalamin is the form most healthcare practitioners now recommend.

How To Use

Adults: Place 1 tablet under the tongue and allow it to dissolve completely. Take daily, or as directed by your healthcare practitioner.

Talk to a healthcare practitioner before use if you are pregnant or breastfeeding, have a medical condition, or are taking medication.

Frequently Asked Questions

Pairs Well With

• B-Complex Supplements — for broader B-vitamin support
• Folate Supplements — folate and B12 work closely together
• Iron Supplements — commonly paired for energy and red blood cell support
• Multivitamins — daily nutritional foundation

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Compare Similar Products

• Vitamin B12 Supplements — Compare B12 products in different forms and doses.
• Vitamin B Supplements — B-complex and individual B vitamins.
• Energy Supplements — B vitamins, CoQ10, iron, and other energy-related options.
• Multivitamins — Daily multi options that often include B12.

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Take 1 SISU Vitamin B12 tablet 1 time per day or as directed by a health care practitioner