Ketogenic rashes are not allergies! The relationship between "fat digestion ability" and dermatitis – a must-know for Hong Kong residents.

Dr. Eric Berg explains that keto rash is not caused by eating the wrong foods, but rather by the body's inability to adapt to a high-fat diet, leading to poor fat digestion → insufficient vitamin absorption → skin inflammation . Below is the complete explanation of the causes and solutions:

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🧪 The real cause of ketogenic rash

reason	illustrate
Sudden increase in high-fat diet	A ketogenic diet with 70-80% fat → the body may not adapt.
Bile salt deficiency	Liver produces fats, gallbladder stores them , which helps with fat digestion.
Difficulty in vitamin absorption	Fat-soluble vitamins such as A , D , E , and K require bile salts for absorption.
Liver detoxification is obstructed	Insufficient bile salts → toxins cannot be eliminated → skin reactions occur
B2 (riboflavin) deficiency	It helps with fat metabolism → a deficiency can cause dermatitis (such as pellagra).

📌 The key issue isn't too much fat, but rather an inability to digest it properly.

🧬 Common skin symptoms and related nutrients

symptom	Possibly lacking
Drying, peeling	Vitamins A and E
Inflammation, redness	Vitamin D , bile salts
Pigmentation, itching	B2 (riboflavin)
Sensitive skin, eczema	Insufficient liver detoxification ability

✅ Recommendations for improving ketogenic rash

method	illustrate
Supplement with purified bile salts .	Take after each meal → helps with fat digestion and vitamin absorption
Temporarily reduce fat intake	Allow your body to gradually adapt → reduce digestive burden
Supplement with vitamins A , D , and E	Supports skin repair and anti-inflammation
Supplement with Vitamin B2 (riboflavin/Vitamin G )	Helps with fat metabolism + protects the liver + cares for the skin
Check gallbladder/liver function	If gallstones, biliary sludge, or fatty liver are present , further treatment is required .
Be aware of skin diseases, such as Purigo Pigmentosa.	Commonly seen in individuals without a gallbladder or with bile duct abnormalities → related to bile salt metabolism

🧾 In conclusion: Don't assume that "ketogenic rash = not suitable for ketosis" anymore. You need to adjust your digestive system to truly adapt.

When Hong Kong residents switch to a ketogenic diet, their bodies may not immediately adapt to the high-fat intake. Skin reactions are not necessarily a sign of rejection, but rather a signal of insufficient digestive capacity . Starting today, a bile salt supplement, a vitamin, and a gradual dietary adjustment will help lay a good foundation for your skin and liver!

Don't let the misconception that "rash = ketosis doesn't suit me" hold you back. True health comes from understanding how to digest, absorb, and adjust! 💪🥑🧴