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However, some plant-based sources contain bioactive B12[20]: Dried Purple Laver (nori) : Considered the most reliable natural B12 source for vegetarians, it also provides iron and omega-3 fatty acids
09 Unsure about a dose calculation Do not estimate
This is crucial for maintaining the sterility and safety of the solution over its refrigerated lifespan
Building Blocks ensures that B12 and other foundational nutrients folate, B6, magnesium, vitamin D are handled consistently, so your brain chemistry isn't fighting an unnecessary uphill battle
Quality control concerns with compounded products Compounding pharmacies operate under different regulatory oversight than pharmaceutical manufacturers
More specialised tests such as methylmalonic acid or homocysteine may be arranged by specialists if results are equivocal, though availability varies across UK laboratories
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