Estalife Vitamin B12 Methylcobalamin
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No Artificial Sweeteners
100% Natural
No Preservatives
Science-Backed Formula
Vegan
Allergen-Free
Gluten-Free
No Added Sugar
Made in Singapore
3rd Party Tested
Non GMO
No Artificial Sweeteners
100% Natural
No Preservatives
Science-Backed Formula
Vegan
Allergen-Free
Gluten-Free
No Added Sugar
Made in Singapore
3rd Party Tested
Non GMO
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90-DAY GUARANTEE MONEY-BACK
60 Veg Capsules · 60 Days Supply · Vegan · Made in Singapore
Why B12 deficiency is more common than people expect
Vitamin B12 is found almost exclusively in animal products — meat, fish, eggs, and dairy. That makes it straightforward for most omnivores to obtain through diet, but a significant gap for vegans, vegetarians, and anyone who has meaningfully reduced their animal protein intake.
What surprises many people is how long deficiency can go undetected. The body stores 2–3mg of B12 primarily in the liver, meaning a shift to a plant-based diet can take two or more years before deficiency symptoms appear. And when they do appear, they are often vague enough to be dismissed — persistent fatigue, difficulty concentrating, low mood, numbness or tingling in the extremities.
In Singapore, the risk is well-documented. A local study of older Chinese vegetarian women found a 42% prevalence of B12 deficiency. A Singapore primary care study of patients with type 2 diabetes found 27.7% were B12 deficient, with vegetarianism associated with a 21-fold increased odds of deficiency in this group.
Why Methylcobalamin
Methylcobalamin is the naturally occurring, bioidentical form of B12 found directly in human tissues and food sources. It metabolically active forms your body uses — meaning it does not require conversion before performing its roles in nervous system maintenance and cellular metabolism.
On the question of absorption: the NIH Office of Dietary Supplements notes that no evidence shows absorption rates between supplement forms of B12 differ significantly. The case for Methylcobalamin is not about superior absorption — it is about form. It is the form your body uses directly, and the form that naturally occurs in food.
What you get per serving
Vitamin B12 (as Methylcobalamin) | 500mcg per capsule
Serving size: 1 Vegetable Capsule | Servings per container: 60 | Supply: 60 days | Vegan | Non-GMO | Made in Singapore
Key Benefits
Supports nervous system health
B12 is essential for the production and maintenance of myelin — the protective sheath around nerve fibres that enables fast, accurate nerve signalling. Deficiency directly damages this sheath over time, causing the numbness, tingling, and neurological symptoms associated with B12 deficiency.
Supports red blood cell formation
B12 is required for DNA synthesis in red blood cell precursors. Without adequate B12, red blood cells become abnormally large and dysfunctional — a condition called megaloblastic anaemia that impairs oxygen delivery throughout the body.
Supports energy production
B12 plays a direct role in converting food into usable cellular energy. Low B12 is one of the more common and overlooked causes of persistent fatigue, particularly in vegetarians, older adults, and those on Metformin.
Directions of Use
Take 1 capsule daily, whenever it fits your routine. For best absorption, take on an empty stomach. Or take as directed by a healthcare professional. Store in a cool and dry place.
Caution: Individuals with medical conditions should consult a healthcare professional before use.
Who is this suitable for?
Vegans and vegetarians — B12 is found almost exclusively in animal products; supplementation is essential for long-term B12 status on a plant-based diet
Adults 50 and above — reduced stomach acid with age impairs B12 absorption from food even in regular meat-eaters
Adults on Metformin — long-term Metformin use is a well-established risk factor for B12 depletion; anyone on long-term Metformin should discuss B12 monitoring with their doctor
Anyone experiencing symptoms that may indicate low B12 — fatigue, tingling extremities, poor concentration, low mood.
Why Estalife?
This formula uses Methylcobalamin — the bioidentical, naturally occurring active form of B12. Vegan vegetable capsule. Made in our own NSF GMP-certified factory in Ang Mo Kio, Singapore. No middlemen. Sold directly to you.
Frequently Asked Questions
Is 500mcg too high a dose?
No. B12 is water-soluble with no established upper tolerable intake level and no known toxicity at supplemental doses. The body excretes what it does not need. The higher dose exists to ensure meaningful passive absorption in people who may have reduced intrinsic factor production — which includes a significant proportion of adults over 50.
Can I take this alongside the Estalife Vitamin B Complex?
Yes, though it is worth noting the Vitamin B Complex already includes B12. If you are supplementing B12 specifically to address a deficiency or because you are in a higher-risk group, the standalone 500mcg Methylcobalamin is the more targeted option.
I am on Metformin — should I be taking this?
Metformin is one of the most common causes of B12 depletion in Singapore's diabetic population. If you are on long-term Metformin, it is worth having your B12 level checked. This product is appropriate for daily maintenance, but if you are already significantly deficient your doctor may recommend a higher therapeutic dose or injections initially.
Does it matter if I take it with food?
For best absorption, taking on an empty stomach is recommended as stated on the label. Taking with food is also acceptable — B12 does not have the food interaction concerns that apply to fat-soluble vitamins or iron.
Is this suitable for vegans?
Yes. The capsule is a vegetable capsule and all ingredients are vegan.