Vitamin B12 1200 Mcg (methylcobalamin)
Near you
Kirkland Signature is carried at Costco stores. Find one within 25 miles.
Summary
This Vitamin B12 supplement uses methylcobalamin, a highly bioavailable form of B12, which is beneficial for absorption and efficacy. However, the presence of multiple additives, including natural cherry flavor with undisclosed components, raises concerns about ingredient transparency and purity. The formulation includes several processing agents, which slightly detract from its overall quality despite the beneficial active ingredient.
At a glance
Key ingredients 7
Vitamin B12Very Good
Vitamin B12 (methylcobalamin) is a high-quality active ingredient essential for nerve function and red blood cell formation. Methylcobalamin is a bioavailable form of B12, making it more easily absorbed by the body compared to other forms. It is crucial for DNA synthesis and neurological health.
Benefits
Supports energy production and neurological health, and is vital for DNA synthesis.
IsomaltNeutral
Isomalt is a sugar alcohol used as a low-calorie sweetener and bulking agent. It is derived from beet sugar and has minimal impact on blood glucose levels. It is often used in sugar-free products due to its stability and low hygroscopicity.
Risks
Excessive consumption may cause gastrointestinal discomfort or laxative effects.
Benefits
Provides a low-calorie alternative to sugar with minimal impact on blood sugar levels.
CrospovidoneNeutral
Crospovidone is a synthetic polymer used as a disintegrant in tablets to ensure proper dissolution. It is chemically inert and does not react with other ingredients. It helps improve the bioavailability of active ingredients by facilitating tablet breakdown.
Benefits
Enhances the dissolution and absorption of active ingredients in supplements.
Natural Cherry FlavourBad
Natural cherry flavour is a catch-all term for flavoring agents derived from natural sources, but its exact composition is often undisclosed. This lack of transparency can be concerning for those with allergies or sensitivities. It may contain a mixture of various compounds, making it difficult to assess its purity and quality.
Risks
Potential allergen risk due to undisclosed components and lack of transparency.
Vegetable Grade Magnesium StearateNeutral
Vegetable grade magnesium stearate is a common lubricant used in supplement manufacturing to prevent ingredients from sticking to equipment. It is derived from vegetable oils and is generally recognized as safe. It does not affect the efficacy of the active ingredients.
Benefits
Facilitates the manufacturing process by preventing ingredient clumping and sticking.
Dl-Malic AcidNeutral
Dl-malic acid is an organic compound used to enhance flavor and acidity in supplements. It is naturally found in fruits like apples and contributes to the sour taste. It is generally recognized as safe and is used in small quantities.
Benefits
Enhances flavor and acidity, contributing to a more palatable product.
Purified Stevia Leaf ExtractNeutral
Purified stevia leaf extract is a natural, zero-calorie sweetener derived from the stevia plant. It is used as a sugar substitute and has no significant impact on blood glucose levels. It is considered safe for consumption and is a popular choice for those seeking to reduce sugar intake.
Benefits
Provides a natural, zero-calorie sweetening option without affecting blood sugar levels.
Processing
Ultra-Processed Foods
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