Why Drinking Water Makes You Weak When Fasting

author avatar Dr. Eric Berg 08/31/2023

Find out why drinking water makes you weak when fasting and what to do about it. 

Timestamps

0:00 Introduction

0:10 Why drinking water makes you weak 

0:17 Sodium deficiency causes 

2:14 Share your success story! 

Does water make you weak, especially when fasting? Let’s talk about why this happens. This is basically due to a deficiency in sodium. A person will feel very weak if they don’t consume enough salt. I recommend sea salt. 

When you’re fasting, you’re typically not consuming anything except for water. The more water you drink, the more you dilute minerals, including salt and sodium.

Drinking an excessive amount of water while fasting can be bad. You always want to consume sea salt while fasting. Our bodies need 3.5-5g of sodium a day. That’s roughly 1.5-2 tsp. of sea salt a day. 

Causes of a sodium deficiency:

• Not consuming enough sea salt 

• A low-carb diet 

• Consuming large amounts of potassium 

• Stress 

• Sweat 

• Certain medications (diuretics and antidepressants)

• Liver or kidney problems 

• Diarrhea 

• Vomiting 

One way to find out if you’re deficient is to consume more sea salt and see if you feel stronger.
 

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