Join the Summer Glow Detox

Why I'm Doing a 3-Day Watermelon Fast (And You Should Join Me)

Jun 24, 2026

Today is the day.

I've been talking about this for a few weeks and it's finally here. Starting today I'm doing a 3-day watermelon fast. Nothing but watermelon for 3 full days and I want you to do it with me.

If that sounds intense, stay with me. By the time you finish reading this you're going to understand exactly why watermelon is one of nature's most powerful cleansing foods and why three days of it is one of the most loving things you can do for your body this summer.


Why Watermelon

Watermelon is 92% water. That alone makes it one of the most hydrating foods on the planet. But what makes it truly remarkable as a cleansing food goes much deeper than its water content.

Watermelon is rich in lycopene, one of the most powerful antioxidants known for protecting cells from oxidative damage and supporting cardiovascular health. It contains citrulline, an amino acid that supports kidney function and helps the body flush excess fluid and waste from tissues. It is naturally alkalizing, deeply anti-inflammatory and easy for the digestive system to process which means your body can redirect energy from digestion toward healing and cleansing.

Three days of watermelon gives your digestive system a genuine rest. Your liver and kidneys get flooded with the hydration and nutrients they need to do their jobs. Your cells get bathed in antioxidants. And most people come out the other side feeling lighter, clearer and more energized than they have in months.

This is not a gimmick. This is food as medicine at its most elemental.


What to Expect

Day 1 is about releasing. Your body is adjusting to the shift and moving things out. You may feel hunger, light headedness or fatigue especially if your diet has included a lot of processed foods, sugar or caffeine. Drink spring water or coconut water alongside your watermelon and rest when your body asks for it.

Day 2 is typically where the magic starts. Many people report increased energy, mental clarity and reduced bloating. Your body has settled into the fast and is doing the deeper work.

Day 3 you will likely feel the best of the three days. Lighter. Cleaner. More present. Pay attention to how your body feels because it is telling you everything you need to know.


How to Do It

Eat watermelon or drink watermelon juice whenever you are hungry. There is no portion restriction. Drink plenty of spring water and or coconut water alongside it. Rest more than usual. Move gently if you feel called to (walking and light yoga are ideal). 

Choose the ripest watermelon you can find. Organic is ideal. Seeded is best but if you can't find that, seedless is fine.

That's it. Keep it simple.


Who Should Not Do This Fast

A watermelon fast is not appropriate for everyone. Please consult your healthcare provider before starting if you are pregnant or nursing, managing diabetes or blood sugar issues, on medications that require food or have a history of disordered eating.


Join Me

I'm documenting the whole thing on Instagram. Follow along at @eatplantsandprosper for daily updates, what I'm experiencing and encouragement to keep you going through all 3 days.

This is free. This is open to everyone. All you need is a watermelon and the willingness to try.

Let's do this together.


Whitney is a certified holistic nutritionist, plant-based chef, raw juice alchemist and certified yoga instructor. She is the founder of Eat Plants & Prosper.

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