However, if left untreated, it can progress and cause: Chronic fatigue and overall weakness Dizziness Pale or yellowish skin tone Mental health problems such as depression, mood swings, irritability, and anxiety Loss of appetite, nausea, and diarrhea, leading to weigh loss Paresthesia: numbness, tingling or burning sensation in feet, legs, and hands Vision problems Vitamin B12 is an essential nutrient, meaning everyone should get it either from food or supplements
Research Applications Sleep & Chronobiology Research DSIP has been shown to promote slow-wave (delta) sleep and normalize circadian rhythms in animal studies [1]
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Zarka, MH, Bridge, WJ 2017, Oral administration of -glutamylcysteine increases intracellular glutathione levels above homeostasis in a randomised human trial pilot study, Redox Biology , vol