raise glutathione levels The Amino Company How to Increase Glutathione Naturally:

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Cardiovascular (Heart and Blood Vessel) Complications In rare but serious cases, B12 replacement can lead to heart and blood vessel problems: Shortness of breath Peripheral edema (swelling in legs and arms) Rapid weight gain Pulmonary edema (fluid in lungs) Congestive heart failure (heart cannot pump effectively) Blood clots in vessels These complications arise from increased blood volume, thicker blood, and sudden changes in how hard the heart needs to work

Less pronounced

As NAD levels fall, these essential processes slow down, which has been linked to signs of aging, including cognitive decline and metabolic disease

108 GengL.GaoW.SaiyinH.LiY.ZengY.ZhangZ.et al (2023)