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Czechia Greater than 99.8 % purity confirmed by COA Assay content verified at 55.1 mg Endotoxin level below 0.001 EU/mg No detectable heavy metals or microbial contamination NNMT-related research compound for controlled laboratory studies For research use only not for human or veterinary use For laboratory research only
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Many notice a lift within a few days
Insufficient intrinsic factor production, common in older adults due to age-related absorption decline, can also lead to deficiency
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