For dental caries, 6-10 grams per day [1]. Most adults can tolerate 40g. Diarrhea is a concern at 45g for children and 100g for adults. If you introduce it gra

For dental caries, 6-10 grams per day [1]. Most adults can tolerate 40g. Diarrhea is a concern at 45g for children and 100g for adults. If you introduce it gradually into your diet, it should not be a problem. 1. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4232036/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4232036/