Serious adverse effects have not been reported with taurine supplementation.[1][2] The highest dose used in a human trial was 10 grams per day for 6 months, and the longest human trial was 12 months and used a dose of 0.5–1.5 grams per day. Based on the available evidence, it’s suggested that 3 grams per day can be consumed indefinitely without risk of side effects.[1][2]
What are taurine’s main drawbacks?
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•Last Updated: May 16, 2025
Supplementation with taurine has not been associated with serious adverse effects, and evidence suggests that a daily intake of 3 grams can be consumed indefinitely without risk of side effects. The highest dose tested in human trials was 10 grams per day for 6 months.