Please recommend a diet shake

Wow, I thought the weather yesterday and today was spring weather. With the temperature suddenly rising like this, I feel like spring is just passing by and summer is just around the corner, so I'm desperately trying to diet. That's why I'm writing this to get recommendations for diet shakes :)

When I'm dieting, I tend to just stick to diet and exercise, so I don't have much information on diet shakes. When I searched, I found that while tasty shakes are okay, bland shakes are truly tasteless. So, I'd like some recommendations for delicious diet shakes. When dieting, if you eat less and it doesn't taste good, it's hard to stick with it. If you're recommending diet shakes, please also recommend the flavor that gave you the highest satisfaction. Diet shakes come in so many flavors by brand, it's hard to choose. A friend of mine recently recommended Nutri D-Day. She said it's good value for money. What do you think?