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Weight loss,
simplified

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Fast, effective
weight loss

Finally a weight loss solution that works.

Replacing 1, 2 or 3 meals a day with Fast FX supports fast, healthy weight loss - minimising calories without compromising nutrition or your metabolism.

High in protein - burn fat, protect muscle

High in fibre - stay fuller for longer

Low in calories - lose weight safely

Dairy and gluten-free - gentle on your gut

Vitamins and minerals - no extra supplements necessary

Quick & easy - weight loss without the effort

It's time to turn your weight around.

Replace the guesswork of traditional dieting with the science of Fast FX - a medically based, natural Meal Replacement for simple, effective weight loss.

Developed by Gastroenterologist Dr Alasdair Patrick, and backed by the MacMurray Centre.

Lose weight
once and for all

If you've tried to lose weight and failed, willpower isn't the problem. You just haven't had the right tool.

Fast FX gives you the medical foundation to cut calories low enough for real, lasting results — no counting, measuring, weighing, or starvation.

A weight loss solution that actually does what it promises.

gone for good

"I've lost 30 kilos and kept it off. The first weight loss product that has worked. I am thrilled.”

Back on track

“Thanks Health FX - your amazing product has got me back on the right path.”

25 kgs down

"I have dropped 25 kg in the first 3 months with the help of FastFX.”

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Reclaim your life

You've tried. You've dieted, counted calories, lost weight, put it back on again. Not because you failed. Because traditional dieting doesn't work.

To lose weight, you need to cut calories. But cut too far and your body misses the nutrition it needs to keep your metabolism running. That means that most diets ask you to choose weight loss or health — and that's exactly why they don't last.

Fast FX solves that problem. Complete nutrition, the right calories, none of the guesswork — so you're not choosing between losing weight and staying healthy.

How many meals should I replace?

Intensive

For those ready to commit fully. Replace all 3 meals — breakfast, lunch, and dinner — with Fast FX for maximum weight loss results.

Best suited to those who:

  • Want to lose a significant amount of weight.
  • Are highly motivated and committed to the process.
  • Are aiming to lose 2–3 kg per week.

Important: When replacing all three meals, include 2 cups of low-starch vegetables and 1 tsp of oil daily to support gallbladder health.

Start Your Transformation

Active

For those balancing weight loss with everyday life. Replace two meals daily with Fast FX and eat one healthy, balanced meal.

Best suited to those who:

  • Are committed to losing weight but need some flexibility day to day.
  • Cook for others or eat out occasionally.
  • Find replacing all three meals too restrictive.
  • Are aiming to lose approximately 1–2 kg per week.
Start Your Transformation

Sustain

Slow and steady progress, built to last. Replace one meal daily with Fast FX and include two healthy, balanced meals.

Best suited to those who:

  • Have a smaller amount of weight to lose.
  • Prefer a gradual, consistent approach.
  • Have reached their goal weight and want to maintain it.
Start Your Transformation

Fast FX Range

Sample Box

Sample Box

Meal Replacement / 300 g
$42
2 Week Challenge

2 Week Challenge

Weight Loss Programme
Fast FX Chocolate

Fast FX Chocolate

Chocolate / 1KG
$94
Fast FX Vanilla

Fast FX Vanilla

Vanilla / 1KG
$94
Fast FX Mixed Berry

Fast FX Mixed Berry

Mixed Berry / 1KG
$94
Fast FX Salted Caramel

Fast FX Salted Caramel

Salted Caramel / 1KG
$94
Fast FX Green Apple

Fast FX Green Apple

Green Apple / 1KG
$94
Fast FX Spiced Chai

Fast FX Spiced Chai

Spiced Chai / 1KG
$94
3 Bag Bundle

3 Bag Bundle

Buy more and save / 3kg
4 Bag Bundle

4 Bag Bundle

Stock up and save / 4 kg
Winter Bundle

Winter Bundle

Bundle and Save / 3kg & 2 soups
Prebiotic

Prebiotic

Fibre Supplement
$70
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Frequently Asked Questions

How to use

Fast FX offers complete flexibility — replace 1, 2, or 3 meals depending on your goals and lifestyle.

Replace 3 meals — Fastest results
Kickstart your metabolism and trigger ketosis for serious fat burning. Expect to lose 2–3 kg per week.. The first 2–3 days can be tough as your body adapts, but it does get easier — stay committed and the results will follow.

Replace 2 meals — Balanced and flexible
Perfect if you need room for family dinners or social occasions. Expect to lose 1–2 kg per week. More sustainable for many lifestyles — just be mindful of what else you eat to stay on track.

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Replace 1 meal — Gradual and sustainable
For those who prefer a slow and steady approach. Progress takes longer, but every step counts — just be extra mindful of your other meals to maximise results.

Blend 3 level scoops of Fast FX (scoop included) with 200 mls of cold water and 200 mls of milk or plant-based milk.

If you prefer to just add water, we recommend using 4 level scoops of Fast FX.

Add more or less water to suit your taste and texture preference.

All our are Meal Replacement Smoothie powders offer completion nutrition.

Which one you chose will depend on your goal.

If your main goal is weight loss, then FastFX is your best choice (unless you are sensitive to FODMAPs, see below).

‎If your goal is gut health or your gut is very sensitive ( especially to FODMAPs), then go with Eliminate (Eliminate is still low calories so, can also help you lose weight).

If your goal is simple, complete nutrition, then choose Total. Designed as a quick and easy meal that covers all the essentials

Fast FX tastes clean and natural — which might be different from what you're used to.

Those shakes that taste like dessert? They're usually loaded with dairy, fat, sugar, and artificial flavours that work against your goals.

Our flavours come from real ingredients. Our Mixed Berry, for example, is made with actual dried berries — not artificial flavouring. Subtle and not overly sweet, they're designed for the long haul, to help re-educate your palate so cravings have less power over you.

Fast FX is creamy, subtle, and built for results.

How does Fast FX work?

Yes — when you're using Fast FX.

Rapid weight loss is usually discouraged because extreme calorie restriction often leads to nutrient deficiencies. Fast FX changes that.

Each serving delivers the essential nutrients your body needs, so you get the benefits of fast, effective fat loss without compromising your health or your metabolism.

Fast FX works by delivering complete nutrition at a very low calorie count. When you consume fewer calories than you burn, your body turns to its fat reserves for energy — and that's where the weight loss happens.

The challenge with traditional calorie-cutting is that it can compromise your nutritional intake, leaving you tired, slowing your metabolism and making it harder to sustain results long-term.

Fast FX solves that problem. Its formula provides the optimal balance of energy, protein and micronutrients, so your metabolism keeps firing, your health stays intact and you keep losing weight — without running on empty.

When replacing all 3 meals a day with Fast FX, you can also have 2 cups of low-starch vegetables and 1 teaspoon of oil. Vegetables support healthy digestion, and having something solid to eat can also make a real difference psychologically.

Recommended vegetables
Aubergine, asparagus, bean sprouts, green beans, bok choy, broccoli, brussel sprouts, cabbage, capsicum, carrots, cauliflower, celery, courgettes, cucumber, kale, lettuce, mushrooms, onions, radish, silver beet, snow peas, spinach, tomatoes.

Try to minimise
Potatoes, kumara, legumes, lentils, green peas, parsnip, turnip, kidney beans, chickpeas and soy beans .

These vegetables are higher in calories and can slow your progress — so it's best to keep these to a minimum while you're on the programme.

For ideas on how to prepare your vegetables, check out our Recipe Book.

Honestly, if healthy eating alone worked for weight loss, we'd all be doing it. The problem is a frustrating trade-off: cut calories enough to lose weight, or eat enough to stay nourished. it is very difficult to do both — and without the right support, you end up either stalling on weight loss or running your body on empty.

Then there's the daily grind of traditional dieting. Weighing, measuring, counting calories. Most people don't quit their diet because they lack willpower; they quit because the process is too hard.

FastFX cuts through all of that. Complete nutrition, controlled calories, no guesswork. Easy, effective and without compromising your health.

Research shows people lose more weight and keep it off when meal replacements are part of their plan. FastFX makes that practical.

The cost is another benefit. The 3-bag bundle is just $4 per meal — much less than healthy groceries.

GLP-1 weight loss medications can be genuinely effective — for the right person, they work. But they're not a silver bullet.

SIDE EFFECTS

Side effects are common, and nutritional deficits and muscle loss are real concerns. Research on weight maintenance suggests many people find it difficult to maintain results long term — and when people stop taking them, weight regain is rapid and common.

THRESHOLD

GLP-1 medications are also designed for people with clinical obesity. Fast FX is for anyone who wants to lose weight and eat better — no thresholds, no criteria, no waiting.

NUTRITIONAL SUPPORT FOR GLP-1s

If you are using a GLP-1, Fast FX is the ideal companion. It ensures you're still getting your essential vitamins and minerals, helps protect muscle mass, and gives your body what it needs to make the most of your weight loss journey — and keep it off long term. Gentle on the stomach and easy to digest — ideal when appetite is already reduced.

NATURAL ALTERNATIVE

If you prefer a natural approach, Fast FX gives your body complete nutrition and controlled calories — no medication required.

ACCESSIBILITY‎

In New Zealand, GLP-1 medications aren't publicly funded for weight loss, which means most people are paying out of pocket — often hundreds of dollars a month. Fast FX delivers complete nutrition at a fraction of that cost, with no appointments and no prescription required. For many people, that accessibility matters. Fast FX is something you can start today, on your own terms.

Complete nutrition. Controlled calories. No medication required.

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