It means your body has nearly completed the process of breaking down and clearing away the old blood cells, and the bruise is in its very final stages of fading away
American Family Physician, 96(6), 384-388
Cognitive Health: Theres growing interest in using Vitamin B12 shots to support cognitive function and potentially stave off age-related decline such as memory loss

Cognitive Decline and Neurodegenerative Conditions Cognitive decline and neurodegenerative conditions show substantial preclinical evidence across multiple pathologies: Stroke models: BPC-157 given during reperfusion counteracted neuronal damage and produced full functional recovery in spatial memory, motor coordination, and balance tests Parkinsons models: MPTP-induced models showed reduced motor symptoms (tremor, rigidity, akinesia), protection of nigrostriatal dopaminergic neurons, and near-complete prevention of mortality Multiple sclerosis models: Cuprizone-induced demyelination resulted in significantly less brain damage and reduced clinical abnormalities when BPC-157 was given in drinking water or intragastrically Traumatic brain injury: Falling weight model studies demonstrated reduced hemorrhage, decreased brain lacerations and edema, and improved early outcomes These diverse models share common mechanisms

Practical rule: Capsules should be stored sealed, below 25 degrees C, away from light