The video begins by addressing the requests for a tutorial on treating puffy eyes and dark circles.

• The speaker introduces the topic of puffy eyes and dark circles.
• The most common cause for both conditions is identified as hyperinsulinemia.

The speaker dismisses common misconceptions about the causes of puffy eyes and dark circles.

• Fatigue, stress, hypothyroid conditions, and allergies are often incorrectly cited as causes.
• Kidney issues and parasites are mentioned as less common causes.

Hyperinsulinemia is explained as the primary cause of puffy eyes and dark circles.

• Hyperinsulinemia, stemming from insulin resistance, is common in pre-diabetics and the general population.
• High insulin levels lead to fluid retention, pigmentation issues, and visible signs like puffy eyes.

The role of diet, particularly carbohydrate intake, in causing puffy eyes and dark circles is detailed.

• Carbohydrates trigger high insulin levels, leading to fluid retention.
• Insulin resistance causes the body to retain sodium and become deficient in potassium.

The video provides a four-step solution to reduce puffy eyes and dark circles.

• Eliminate carbohydrates and snacking to reduce insulin spikes.
• Practice intermittent fasting in combination with a low-carb diet.
• Increase potassium intake through specific foods like avocados, not bananas or potatoes.
• Improvement can be observed within two to four weeks of these lifestyle changes.

The video concludes with an encouragement to watch a tutorial on the ketogenic diet.

• The speaker concludes by suggesting viewers watch a related tutorial on the ketogenic diet.