In New Zealand, several weight loss shakes stand out for their nutritional benefits and effectiveness:

- **Macro Shake Meal Replacement**: A plant-based option offering 28.5g of protein per serving, powered by roasted peanut and Australian-grown faba bean proteins. It includes pre and probiotics for gut health and contains only 204.3 calories per serving. citeturn0search1

- **Locako Keto Meal Shake Replacements**: Designed for those following a ketogenic diet, this shake provides 20g of bovine collagen protein and goMCT® for energy and satiety, along with essential vitamins and minerals. citeturn0search1

- **Optifast VLCD Shakes**: These meal replacement shakes support weight loss as part of a low-calorie diet, offering a variety of flavors to suit different preferences. citeturn0search1

- **NZ Protein Meal Replacement Shake**: A superfood blend that serves as a formulated meal or smoothie booster, providing a balanced mix of protein, fats, carbohydrates, vitamins, and minerals. citeturn0search3

- **FastFx by HealthFX**: A 100% natural, medically-based meal replacement designed by gastroenterologists to aid in weight loss, replacing empty calories while providing essential nutrients. citeturn0search7

When selecting a weight loss shake, consider factors like protein content, calorie count, taste, and how well it aligns with your dietary needs and weight loss goals.