Gil Carvalho on Iron

“Iron plays an important role in nail formation. So if we're not getting enough iron, nails can't form properly.”

Nutrient Deficiencies Revealed by your Hands

“Having the coffee and the tea away from meals like before or after, like an hour apart from your main meals, is another trick to optimize non-heme iron absorption.”

Doctor Reacts to Bryan Johnson´s Bloodwork

“Coffee and tea contain some compounds like tannins that inhibit non-heme iron absorption.”

Doctor Reacts to Bryan Johnson´s Bloodwork

“If you have iron issues, if your iron levels are a little low, be aware that coffee and tea can inhibit the absorption of a type of iron called non-heme iron, with tea having a stronger inhibitory effect.”

Coffee or tea, which is better for you?