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Dietary Supplement3rd Party Lab Tested in the USASafe- Heavy Metal TestedGMP CertifiedPromote Energy Levels and Mental SharpnessSupports healthy brain functioningImproves sleep healthSupports methylationResearch-Supported Benefits:Supports Brain Health. Low levels of vitamin B-12 can cause reduced brain function. Maintaining adequate B-12 levels can support overall brain and cognitive function.Improves Sleep Health. Vitamin B-12 has an impact on melatonin a hormone influential in sleep health. Vitamin B-12 has shown positive effects for supporting sleep heal. Supports Methylation. Vitamin B12 is known to play an integral role in DNA methylation.