Picolinato de cromo

• https://academic.oup.com/ajcn/article/78/1/192/4689918
• https://onlinelibrary.wiley.com/doi/abs/10.1002/(SICI)1520-670X(1999)12:2%3C91::AID-JTRA6%3E3.0.CO;2-X
• https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3308119/

Vitamina C

• https://academic.oup.com/ajcn/article/90/2/429/4597019?searchresult=1
• https://academic.oup.com/ajcn/article/70/1/49/4714828?searchresult=1

Gengibre

• https://academic.oup.com/ajcn/advance-article/doi/10.1093/ajcn/nqac035/6526865?searchresult=1

Laranja Moro

• https://www.tandfonline.com/doi/abs/10.1080/14786419.2014.1000897
• https://pubmed.ncbi.nlm.nih.gov/32767388/

Curcuma

• https://www.tandfonline.com/doi/abs/10.3109/09637486.2011.607156

Psyllium

• https://www.sciencedirect.com/science/article/abs/pii/S1056872798000038
• https://www.nature.com/articles/1601398