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Fasting & Metabolic Health

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

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Can Intermittent Fasting Cause Constipation? What to Adjust
5 min read

Can Intermittent Fasting Cause Constipation? What to Adjust

Yes. Intermittent fasting can contribute to constipation for some people when a shorter eating window changes meal volume, fiber intake, fluids, or ba...

Intermittent Fasting for Prediabetes: What to Know Before You Try It
9 min read

Intermittent Fasting for Prediabetes: What to Know Before You Try It

Intermittent fasting is not a treatment for prediabetes, and this page cannot choose a fasting schedule for you. The useful question is whether a chan...

Intermittent Fasting and Hypoglycemia: What to Know Before You Skip Meals
7 min read

Intermittent Fasting and Hypoglycemia: What to Know Before You Skip Meals

If you have hypoglycemia, recurring low blood sugar, or use medicine that can lower blood glucose, intermittent fasting is not a self-guided schedule...

Why Does Intermittent Fasting Cause Diarrhea?
7 min read

Why Does Intermittent Fasting Cause Diarrhea?

Diarrhea that starts while you are intermittent fasting does not automatically mean fasting is the cause. It may happen around a change in meal timing...

Why Do I Bloat After Eating?
6 min read

Why Do I Bloat After Eating?

Bloating after eating can happen for several reasons. Gas is a common one, but the feeling can also relate to how quickly you ate, the size of the mea...

What Happens If You Eat Too Much Salt? Symptoms & What to Do
7 min read

What Happens If You Eat Too Much Salt? Symptoms & What to Do

After a very salty meal, you may feel thirsty, bloated, or puffy because your body temporarily holds on to more water. Those short-term effects are di...

Intermittent Fasting for SIBO: What It Can and Cannot Do
5 min read

Intermittent Fasting for SIBO: What It Can and Cannot Do

Intermittent fasting should not be used as a treatment for SIBO. Meal spacing may be discussed as part of digestive routines, but SIBO is a medical co...

Intermittent Fasting and Gallbladder Health: What to Know Before You Try It
5 min read

Intermittent Fasting and Gallbladder Health: What to Know Before You Try It

Intermittent fasting does not automatically cause gallbladder problems, but gallbladder health deserves caution when fasting leads to long periods wit...

Intermittent Fasting With Hashimoto's or Hypothyroidism: What to Ask Before You Start
5 min read

Intermittent Fasting With Hashimoto's or Hypothyroidism: What to Ask Before You Start

There is no single "best" intermittent fasting plan for Hashimoto's or hypothyroidism. If you have thyroid disease or take thyroid medicine, the bette...

Intermittent Fasting and Insulin Resistance
6 min read

Intermittent Fasting and Insulin Resistance

Intermittent fasting may help some people improve weight, eating patterns, or metabolic markers, but it should not be presented as a proven cure for i...