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Vitamin B12 Deficiency: Insufficient dietary intake of B12 (common in vegetarians and vegans), Malabsorption due to conditions like pernicious anemia or gastrointestinal disorders (e.g., Crohns disease), Certain medications that interfere with B12 absorption can lead to deficiency

Our products are routinely and rigorously tested for purity, with COAs verifiable through third-party laboratory testing services

We then evaluated the impact of PQ treatment on outer nuclear layer (ONL) thickness to examine the extent of structural protection of retinal photoreceptors

Certificates of Analysis help laboratories verify batch consistency and support documentation requirements for research materials used in experimental studies