Ask the Experts

Food Expiration

Q. Do I need to throw out food as soon as the printed expiration...

A. Judith C. Thalheimer, RDN, LDN, managing editor of Tufts Health & Nutrition Letter, answers: “Those ‘sell by’ and ‘best by’ dates on packages are not actually expiration dates. Food product dating is voluntary and represents the manufacturer’s best guess as to when the product may no longer be at peak quality. Not being at […]

Q. I have decided to follow a vegan diet. Do I need to take...

A. Claire Cheng, a dietetic intern at the Tufts University Frances Stern Nutrition Center answers: “A vegan diet can be nutritious, environmentally friendly, and...

Q. When buying a salad dressing, pasta sauce, or any other product, is it...

A. Hannah Cai, a dietetic intern at the Frances Stern Nutrition Center, answers. “It is important to limit sodium and added sugar intake for...

Q. Can you tell me what biotin is and how much people need?

Q. Can you tell me what biotin is and how much people need?

Q. What is chlorella, and can it really do any of the things its...

Q. What is chlorella, and can it really do any of the things its advertised to do?

Q. I have high cholesterol and my doctor told me to eat more beans....

Q. I have high cholesterol and my doctor told me to eat more beans. Why?

Q. Which is safer, saccharin or stevia?

Q. Which is safer, saccharin or stevia?

Q. Are prunes high in vitamin K? I am on blood thinners and was...

Q. Are prunes high in vitamin K? I am on blood thinners and was told I need to limit vitamin K intake.

Q. Does the Tufts Health & Nutrition Letter accept any type of monetary or...

Q. Does the Tufts Health & Nutrition Letter accept any type of monetary or in-kind consideration from food or agricultural companies?

Q. Are hot dogs a healthy choice if I top them with chopped lettuce,...

Q. Are hot dogs a healthy choice if I top them with chopped lettuce, tomato, onions etc.?