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Fasting & Metabolic Health

Blood sugar, insulin and metabolism — what the evidence says.

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Does Intermittent Fasting Increase Metabolism?
5 min read

Does Intermittent Fasting Increase Metabolism?

Intermittent fasting changes when you eat, but it does not guarantee a faster or slower metabolism. During a fasting window, the body can shift which...

Intermittent Fasting and Diabetes: What to Know Before You Try It
6 min read

Intermittent Fasting and Diabetes: What to Know Before You Try It

If you have diabetes, intermittent fasting is not simply a decision about meal timing. It can affect blood glucose, medication timing, carbohydrate in...

Intermittent Fasting and Metabolic Health: Metabolism, Blood Sugar, Insulin, Heart Health, and Digestion
8 min read

Intermittent Fasting and Metabolic Health: Metabolism, Blood Sugar, Insulin, Heart Health, and Digestion

Metabolic health is one of the most sensitive topics in intermittent fasting. Many people are interested in fasting because of claims about metabolism...

A1C and Fasting
5 min read

A1C and Fasting

A1C is a blood test that reflects average blood glucose over about the past 3 months. It is not the same as a one-time fasting blood sugar reading, an...

Metabolic Flexibility and Intermittent Fasting
5 min read

Metabolic Flexibility and Intermittent Fasting

Metabolic flexibility is the body's ability to adapt fuel use to changing demands, such as eating, fasting, rest, and activity.[1] Intermittent fastin...

16/8 Intermittent Fasting and Diabetes
5 min read

16/8 Intermittent Fasting and Diabetes

If you have diabetes, do not start 16/8 intermittent fasting as a self-guided experiment. A 16-hour fast can change meal timing, medication timing, ac...

Does Intermittent Fasting Affect Your Metabolism?
9 min read

Does Intermittent Fasting Affect Your Metabolism?

Intermittent fasting can affect your metabolism, but not in the simple “boost” or “damage” way people often expect. It changes when your body gets ene...

Intermittent Fasting and Blood Pressure
4 min read

Intermittent Fasting and Blood Pressure

Intermittent fasting may lower blood pressure for some people in some studies, especially when it supports weight loss or healthier eating patterns, b...

Intermittent Fasting and Fatty Liver
6 min read

Intermittent Fasting and Fatty Liver

Intermittent fasting may help some people with fatty liver indirectly if it supports weight loss, better eating habits, and a routine they can maintai...

Intermittent Fasting and Gut Health
4 min read

Intermittent Fasting and Gut Health

Intermittent fasting can change digestion because it changes meal timing, meal size, fluid intake, fiber intake, coffee use, and the way you break a f...