There is very little human clinical trial data to support their effectiveness or safety
This combination could make a significant difference in how quickly and comfortably you bounce back from a hangover
Neurobion injectable vial form: Each vial contains 100 mg of Vitamin B1, 100 mg of Vitamin B6, and 1000 mcg of Vitamin B12

The 17mg dose is higher than the Recommended Dietary Allowance but also well below the 40mg Tolerable Upper Intake Level for adults.46 Even when you account for average daily intakes (16.4mg per day among men, 12.6mg among women), a 17mg supplemental dose is low enough to keep most people from tipping over into excessive intake territory.46 Apart from the above, several ingredients in the bill appear in other brands we recommend, and a few at equal or higher doses: NAG: 1g (500mg more than Terra Origin, 850mg more than NatureM.D, and closer to the typical 1.5g daily dose used in studies)44 Aloe vera: 300mg (290mg more than Terra Origin, 250mg more than NatureM.D.) Slippery elm: 200mg (the same as Terra Origin, 50mg more than NatureM.D.) Quercetin: 100mg (50mg more than Terra Origin, 150mg less than NatureM.D.) Marshmallow root: 100mg (100mg less than Terra Origin and 50mg less than NatureM.D.) MSM: 100mg (100mg less than Terra Origin) Other ingredients used in GI Revive dont appear in the other brands discussed in this guide: Citrus pectin (1g): A naturally occurring soluble fiber in citrus fruits

People with Down syndrome have a relatively low methylation functional status compared to people without Down syndrome