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Vitamin B12 (MHA) 3-Complex Spray 1000µg

Name: Vitamin B12 (MHA) 3-Complex Spray 1000µg
Brand: WOMEN'S BEST
SKU: 840023303883
Price: 27.89 USD
Availability: InStock

Formulated with highly bioavailable B12 in the MHA complex for optimal absorption. It supports energy production, promotes mental well-being, and helps combat fatigue.

20% OFF

New

Our MHA complex contains all three bioactive forms of B12
Ensures enhanced absorption through the MHA complex
100% free from synthetic cobalamin (poorly utilized form of B12)
Quickly absorbed into the bloodstream through the mouth lining
Supports energy metabolism, nerve health, and mental well-being
Helps reduce fatigue, tiredness, and difficulty concentrating

20% OFF

$34.90

$27.89

Save $7.01

0.90 fl oz (26.5 ml) (90 Servings)

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Quantity:

What are the benefits?

The Women's Best Vitamin B12 (MHA) 3-Complex Spray is designed to combine the highest-quality B12 forms in a convenient, easy-to-use format. Unlike capsules or tablets, which must pass through the entire digestive system, the spray allows B12 to be absorbed directly through the mouth lining, entering the bloodstream quickly and efficiently for a higher uptake.

Nutrient absorption naturally declines with age due to reduced stomach acid, slower digestion, and lower levels of intrinsic factor, a protein essential for B12 uptake. Environmental factors like heavy metals and pesticides can also harm the gut lining, further reducing nutrient absorption. This makes a fast-absorbing spray an effective way to ensure optimal B12 intake.

Older adults and vegans are most at risk, but anyone who eats less meat may also be affected.

Vitamin B12 is essential for the body, supporting numerous vital functions. Because it is almost exclusively found in animal products, vegetarians and vegans are at a significantly higher risk of deficiency. Even reducing meat intake can lead to insufficient levels over time.

B12 deficiency often goes unnoticed for long periods, as symptoms appear gradually and can be nonspecific. Potential effects include chronic fatigue, difficulties with concentration and memory, neurological damage, or anemia. Regular, targeted supplementation is therefore crucial—especially for those at higher risk.

Not all B12 is equal.
Not all vitamins are equal when it comes to effectiveness and bioavailability. That's why we use vitamin B12 in the MHA complex form—a bioactive compound structurally identical to the body's natural form, allowing for optimal absorption and utilization. By contrast, the supplement industry often relies on cheaper forms like cyanocobalamin, a synthetic B12 considered foreign to the body and only minimally bioavailable.

A quick overview of the quality differences between B vitamins:
Click here to discover the B12 forms we use.

Vitamin B12

High quality: Methylcobalamin, Hydroxocobalamin, Adenosylcobalamin
Low quality: Cyanocobalamin

Vitamin B9 (Folate / Folic Acid)

High quality: Quatrefolic®, Extrafolate-S®, Calcium-L-5-methyltetrahydrofolate
Low quality: Pteroylmonoglutamic acid (synthetic folic acid)

Vitamin B7 (Biotin)

High quality: D-Biotin
Low quality: Biotin

Vitamin B6

High quality: Pyridoxal‑5‑phosphate (P‑5‑P)
Low quality: Pyridoxine HCl

Vitamin B5 (Pantothenic Acid)

Highest quality: Pantethine
High quality: Calcium‑D‑pantothenate
Low quality: Dexpanthenol

Vitamin B3 (Niacin)

High quality: Nicotinamide
Low quality: Nicotinic acid

Vitamin B2 (Riboflavin)

High quality: Riboflavin‑5‑phosphate
Low quality: Riboflavin

Vitamin B1 (Thiamine)

High quality: Thiamine pyrophosphate
Medium to low quality: Thiamine mononitrate, Thiamine HCl

Our Women's Best Vitamin B12 (MHA) 3-Complex Spray combines the three most bioactive forms of B12 in a convenient spray for fast and efficient absorption. Its highly bioavailable formula delivers top-quality B12 daily, helping to refill your B12 stores. It supports energy metabolism, boosts nervous system health, and promotes mental well-being, giving you more energy and focus throughout the day.

How do I take it?

Shake well before use. Spray 2 pumps directly into your mouth once daily. Hold the liquid in your mouth for around 30 seconds before swallowing for optimal absorption.

Ingredients

*Daily Value based on a 2,000 calorie diet

Not all B12 is equal: meet our MHA complex.

Not all forms of vitamins are created equal when it comes to effectiveness and bioavailability. That's why we use the innovative MHA complex, combining the three bioactive forms of B12: methylcobalamin, hydroxocobalamin, and adenosylcobalamin. These forms mirror the body's natural B12 structure, ensuring optimal absorption and utilization.

The supplement industry often relies on cheaper forms like cyanocobalamin, a synthetic B12 considered foreign to the body and poorly bioavailable. We intentionally avoid this, offering instead a premium, highly effective B12 formula that meets the highest scientific standards.

Not all B12 is equal: meet our MHA complex.

Direct absorption through the oral mucosa.

Vitamin B12 absorption through the digestive tract is a complex process that only works under optimal conditions. Conditions like gastritis, Crohn's disease, age-related reductions in stomach acid, or decreased intrinsic factor production can hinder gut absorption and raise the risk of deficiency.

Unlike conventional capsules or tablets, our spray allows B12 to be absorbed directly through the mouth lining, entering the bloodstream quickly and efficiently. This ensures rapid and effective delivery, especially when addressing a deficiency or needing fast results.

Direct absorption through the oral mucosa.

B12 deficiency: why everyone is at risk.

Vitamin B12 is essential for the body, supporting critical functions such as blood formation, nervous system health, and a balanced energy metabolism.

Because B12 is almost exclusively found in animal products, vegetarians and vegans face a significantly higher risk of deficiency. Even reducing meat consumption can lead to insufficient levels over time.

Research shows that many people—regardless of diet—may be affected by B12 deficiency. Common causes include an unbalanced diet, impaired gut absorption, and age- or disease-related limitations.

Pregnant and breastfeeding women have higher B12 needs, as they must support both their own requirements and those of their child. Older adults are also at risk, since the body's ability to absorb B12 through the gut declines with age.

Sources
Green, R., Allen, L. H., Bjørke-Monsen, A. L., Brito, A., Guéant, J. L., Miller, J. W., ... & Yajnik, C. (2017). Vitamin B12 deficiency. Nature reviews Disease primers, 3(1), 1-20.

Hentrich, A. E., Brueggmann, D., Deuster, E., Kämpf, A. K., Jennewein, L., Schaarschmidt, W., ... & Hoock, S. C. (2025). Knowledge, awareness and recommendation on micronutrition during pregnancy—a survey of healthcare providers. Archives of Gynecology and Obstetrics, 1-7.

Loikas, S., Koskinen, P., Irjala, K., Löppönen, M., Isoaho, R., Kivelä, S. L., & Pelliniemi, T. T. (2007). Vitamin B12 deficiency in the aged: a population-based study. Age and ageing, 36(2), 177-183.

B12 deficiency: why everyone is at risk.

Vitamin B12 deficiency and its consequences.

Vitamin B12 deficiency often develops slowly and can go unnoticed for a long time. Early signs include fatigue, difficulty concentrating, and forgetfulness. If left untreated, the deficiency can have serious consequences: vital bodily functions may become imbalanced, cell regeneration slows, the nervous system is affected, and blood formation is disrupted. Nerves may also be impacted, leading to tingling, numbness, muscle weakness, and coordination issues. Prolonged deficiency can even result in permanent nerve damage or neurological problems.

The good news: proper B12 intake can prevent or reverse these issues. Targeted supplementation can boost energy, enhance mental clarity, and support the long-term health of your nerves, blood, and overall well-being.

Vitamin B12 deficiency and its consequences.

Surgery and B12? It may seem unrelated—but it can have serious consequences.

Nitrous oxide, commonly known as laughing gas (N₂O), is a widely used anesthetic during surgery. What many don't realize is that a single procedure can inactivate up to 60% of the body's B12. This sudden loss can cause a significant deficiency, especially in individuals who already have low B12 levels, potentially leading to serious consequences.

Symptoms can range from fatigue and difficulty concentrating to severe neurological issues. Inactivated B12 can damage the myelin sheaths—the protective coating around nerves—disrupting signal transmission. Medical literature even documents cases of acute funicular myelosis, a serious spinal cord condition, following nitrous oxide anesthesia in patients with latent B12 deficiency.

The danger of nitrous oxide-induced B12 deficiency lies in its slow development, often going unnoticed until irreversible nerve damage occurs. Experts recommend checking B12 levels after nitrous oxide anesthesia, and targeted high-dose supplementation can help prevent long-term complications.

Sources
Holloway, K. L., & Alberico, A. M. (1990). Postoperative myeloneuropathy: a preventable complication in patients with B12 deficiency. Journal of neurosurgery, 72(5), 732-736.

Holloway, K. L., & Alberico, A. M. (1990). Postoperative myeloneuropathy: a preventable complication in patients with B12 deficiency. Journal of neurosurgery, 72(5), 732-736.

Surgery and B12? It may seem unrelated—but it can have serious consequences.

Our quality promise.

We take quality seriously, and our Women's Best Vitamin B12 (MHA) 3-Complex Spray are manufactured to the strictest standards in Germany. Each batch undergoes rigorous testing to ensure it meets our high standards when it comes to quality and effectiveness.