“The bottom line for weight gain is increasing total calories from a mixture of nutrient-rich protein, fat, and carbohydrates,” says Cynthia Sass, a registered dietician and virtual private-practice ...

Jillian Kubala, MS, is a registered dietitian based in Westhampton, NY. Jillian uses a unique and personalized approach to help her clients achieve optimal wellness through nutrition and lifestyle ...

Medically reviewed by Amy Kwan, PTExperts say gaining muscle and losing fat at the same time is achievable if you carefully ...

One study found that constitutionally thin people eat 300-plus calories more per day than their metabolism needs. "They have a positive energy balance and they still resist weight gain," says Bailly, ...