How Black Coffee Helps With Celebrity Weight Loss Diets

Celebrity weight loss stories always grab attention — especially when stars drop double-digit pounds in weeks. Stars like Sammi Cheng , Sandra Ng , and Flora Chan have publicly shared extreme short-term diets that helped them shed 10 to 15 pounds quickly. One common factor? Black coffee played a key supporting role.

If you’re asking whether black coffee actually helps with weight loss, the answer is yes — but mostly as a low- or no-calorie drink that suppresses appetite and boosts metabolism slightly, especially when consumed before meals. In the famous '3-Day Military Diet' used by Sammi Cheng, black coffee (or tea or water) is required at every breakfast and lunch, contributing to a total daily intake under 1,000 calories.

What Is the 3-Day Military Diet?

The so-called '3-Day Military Diet' is a highly structured, ultra-low-calorie meal plan rumored to have military origins. Though no official military organization endorses it, the diet has circulated widely for its promise of 10–12 pound weight loss in just 72 hours. On this plan, each day consists of three small meals with strict food choices and portion control — and every breakfast and lunch starts with a black coffee, cup of tea, or water.

Sammi Cheng’s Version of the Military Diet

In her case, Sammi Cheng followed a version of this diet where black coffee (or alternatives) was mandatory at breakfast and lunch. She reported losing 12 pounds after completing the plan. While she found the portions too small and the hunger difficult to manage, the diet did deliver rapid results. Here’s the exact meal breakdown she followed:

Day 1

• Breakfast: Half a grapefruit, 2 tablespoons peanut butter, 1 slice toast, plus black coffee/tea/water
• Lunch: 4 ounces boiled squid in salt, plus black coffee/tea/water
• Dinner: 4 ounces chicken, pork, or beef, 1 apple, 2 tablespoons vanilla ice cream

Day 2

• Breakfast: Half a banana, 1 slice toast, 1 egg, plus black coffee/tea/water
• Lunch: 4 ounces of main food (unspecified), plus 5 soda crackers, plus black coffee/tea/water
• Dinner: 2 chicken sausages, 4 ounces broccoli, 2 ounces carrots, half a banana, 2 tablespoons vanilla ice cream

Day 3

• Breakfast: 1 slice cheese, 5 soda crackers, 1 small apple, plus black coffee/tea/water
• Lunch: 1 egg plus 1 slice toast
• Dinner: 4 ounces boiled squid, 4 ounces carrots, 4 ounces broccoli, half a cantaloupe, 2 tablespoons vanilla ice cream

Each day stays under approximately 1,000 calories, with black coffee helping to reduce hunger and potentially support fat oxidation slightly — though the primary driver is overall calorie restriction.

Why Black Coffee Is Included in These Diets

Black coffee is a common element in many rapid weight-loss diets for several evidence-backed reasons:

• It’s virtually calorie-free (when consumed without sugar or milk).
• Caffeine can modestly increase metabolic rate and fat oxidation.
• It has mild appetite-suppressing effects, especially when drunk before meals.
• It provides a stimulant boost that can help dieters push through low-energy periods.

In the 3-Day Military Diet, black coffee is not the weight-loss magic bullet — but it’s a strategic, zero-calorie beverage that complements the severe calorie deficit. The diet relies on overall restriction, not coffee alone.

Can You Use This Diet for Weight Loss?

Technically, yes — many people report losing 10–12 pounds in three days on this plan. But the results are mostly from extreme water loss and muscle glycogen depletion, not fat loss alone. Most dieters regain the weight quickly after returning to normal eating. Also, such low-calorie intake is not sustainable, may cause fatigue, nutrient deficiencies, or irritability, and isn’t recommended for long-term use.

If you're considering black coffee as part of your weight strategy, drinking it black before meals may help reduce appetite naturally — but it works best alongside a balanced, moderate calorie deficit over time.

Frequently Asked Questions

How much weight can you lose on the 3-Day Military Diet?

Most people report losing around 10–12 pounds in three days, as Sammi Cheng did. However, this is mostly due to water loss and glycogen depletion, not actual fat loss. The diet restricts calories to roughly 1,000 per day.

Does black coffee really help with weight loss?

Black coffee can support weight loss modestly by providing caffeine, which may boost metabolism and fat burning slightly, and by reducing appetite when consumed before meals. However, it’s not a standalone solution — the calorie deficit is far more important.

What does the 3-Day Military Diet include?

The diet consists of three structured meals per day for three days, with very specific foods and portions. Each breakfast and lunch includes black coffee, tea, or water. Meals include items like grapefruit, peanut butter, toast, squid, chicken, ice cream, soda crackers, and cheese — all in small, controlled portions.

Is it safe to follow the 3-Day Military Diet?

The diet is generally safe for healthy adults for 3 days, but it’s extremely low in calories (around 1,000 per day) and lacks balanced nutrition. It can cause fatigue, irritability, and nutrient shortfalls. Long-term use is not recommended.

Can I replace black coffee with other drinks on the diet?

Yes, the original plan allows black coffee, tea, or water at breakfast and lunch. All are zero- or low-calorie options. Avoid adding sugar or milk to keep the calorie count minimal.

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