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Parent better. Think clearer. Start small

The 14-Day Gut Reset Challenge (Adult) – 18 pouches (250ml)

18 Pouches Delivered. No contract. Pause / cancel anytime.
Free Delivery
Vegetarian Society

Fresh Nutrition, Delivered Right to Your Door!

“You can’t show up for your kids when your gut is wrecked and your head’s in a fog.
This isn’t about willpower, it’s about biology.

The 14-Day Gut Reset Challenge is your gentle reset. Designed for overwhelmed parents who are tired of snapping, crashing mid-morning, and wondering why their brain feels 10 seconds behind.

Week one gives your body a chance to adjust 1 pouch a day for 6 days to ease into fibre-rich fuel. Week two builds momentum with 2 pouches a day for 6 days, providing half of your daily fibre at least 4/5 a day. No mess, no prep, no fake promises, just real food that supports calmness, focus, digestion, and daily parenting resilience with zero effort.

You’ll feed your gut with over 30 plant ingredients a week, giving it the fibre, fats, and polyphenols it needs to actually function.

Because when your gut works better, you work better. And when you work better, your kids feel it.”

£90.00

Mainland UK delivery only, we do not ship to NI. After trying the FiiHii Frinks®, you might like to join our subscription plans for regular deliveries of fresh pouches.

Choose your parent, child or family pack. A child needs approximately 15g of fibre daily, an adult 25-30g. 90% of people do not get this and only get about half. Each one of our pouches provides around 7.5g of fibre from 5 different plant sources per flavour.

A delivery of 18 pouches.

Relax as we ship your order on a 24hr tracked delivery, knowing you are taking the steps to improve you and your children’s lives.

You can make changes to your subscription or if purchasing on a one-off join a subscription to skip having to think about fueling you and your kids right. Just know that we take care of that for you (it usually takes 2/3 weeks to start to notice the changes and 3 months for longer term changes).

Designed for tired, time-poor parents

Whole food-based, no powders or preservatives

Supports digestion, focus, calmer energy, mental clarity and mood and blood sugar stability

Contains prebiotics, fibre, omega fats, and polyphenols from 30+ plants

Delivered chilled. Ready to drink or freeze

Zero additives, preservatives, emulsifiers or ultra-processed junk, no added sugar

Backed by science, driven by experience, built by a parent, for parents

Real results from real customers

The Frinks® Effect:
Life-Changing Nutrition & Transforming Lives

trustpilot
5.0

These pouches have been amazing for our family. The kids love them (me too!) and they help us hit our fibre goals plus provide a good portion of our 5 a day. They taste great and we all feel better since we’ve been having them. Highly recommend.

Miss McCarthy 25.06.2025
trustpilot
5.0

I love these! They taste great, have multiple health benefits and are ideal for a busy parent like me. I don’t have time to make a smoothie every day or the fridge space for 30 different plant products (plus I hate cleaning the blender) so this is heaven sent!

Laine Rogers 23.06.2025
trustpilot
5.0

What a fantastic product for all ages and stages. So hand for me especially when out at work. Great for the 15 year old who doesn’t eat enough fruit and veg! And also for the grandma who needs some extra easy nutrition and fiber. It’s a massive YES from our whole family. 👌

Natalie Garry 18.02.2025
trustpilot
5.0

As a business owner with a jam-packed schedule, I needed something quick but genuinely nutritious.I’ve tried every meal replacement out there and never felt full or like I was actually doing my body any good. Buying quality whole foods is expensive, and I don’t have time to prep meals. I found FiiHii's Frinks on social and decided to give them a shot.Within days, I started noticing a difference. The Frinks give me sustained energy, mental clarity, and help me avoid that terrible afternoon crash I used to rely on coffee to power through.. I train and run regularly, and I've noticed improvements there too.Some flavours are better than others, (subjective, of course), but the overall benefits are undeniable. It’s truly “food for your medicine.”If you need quick, REAL nutrition that actually works, FiiHii is the real deal. Highly recommend folks!

trustpilot
5.0

Really enjoyed these, speedy service too- would recommend!

Camille 05.02.2025
trustpilot
5.0

A great option for anyone looking to get their nutrition effortlessly. Having one frink a day which incorporates half the daily requirement of fibre and 4 of your 5 a day is so convenient for me. I also appreciate the variety of flavours as it changes things up each day throughout the week. Couldn’t recommend FiiHii enough!

Megan 06.11.2024
trustpilot
5.0

Amazing products and loved the different varieties of flavours

abbie 05.11.2024
trustpilot
5.0

Liked the choice of different flavours. And presentation of packaging.

Ms Joyce 05.11.2024
trustpilot
5.0

My main issue was being, tired and stressed and dealing with a high pressure job and family commitments meant I didn’t have much time to think about myself much. Over time it gets worse and worse, I saw some article about the gut-brain axis and how what you eat really does impact how you think, your mood and energy so I thought I’d give this a try. It took a bit of time to start to feel any difference, it’s not a quick thing, like 3 weeks or so but without realising it I was eating less rubbish because I wasn’t as hungry, I had a weird relentless energy that I hadn’t had in ages and I was thinking clearer and in a better mood. I stopped it for a little and noticed a significant difference in all of these factors, it was like something had just been taken away, my wind taken from my sale. Safe to say I went straight back to them. It’s a staple for my diet now. Taken care of. Nutrition done. I’m better for it and more productive and feel healthier.

Craig McCann 23.10.2024
trustpilot
4.0

I'm new to Fiihii but gave them a try as I wanted more variation in my diet. So far so good. They're tasty but a bit thicker than I expected but overall really good and makes life really convenient as I don't have to stress so much when cooking dinners.

trustpilot
5.0

I’ve been training since 17 years of age, now being in my 40’s I have had a real focus on nutrition and gut health, since I have started I have seen a 10% increase in strength as well as overall improvements in my cardio fitness! I can’t recommend FiiHii enough

Lee Chandler 22.10.2024
trustpilot
5.0

The frinks taste amazing! The thing for me is that it just makes it so easy to consume/ making a drink like this every day is so time consuming. Even if you’re out and about it’s so easy to still hit your fibre needs

Mike Beatty 22.10.2024
trustpilot
5.0

I have been buying these products for a while now and really have noticed a difference in my gut health. I used to suffer with terrible bloating. I also often felt really lethargic and coffee just wasn't making the cut!!! In all seriousness, really recommend. Great customer service too.

Sammie Norman 22.10.2024
The Process

how does it work?

Sign Up

Order now and receive a one-time delivery of 18 fresh, nutrient-packed pouches—providing you with balanced nutrition for your daily needs, no subscription required.

1

Enjoy the Benefits

Feel the difference in just 2-3 weeks with increased energy, improved gut health, and better mental clarity. Each pouch provides half your daily fibre and supports a balanced, nutrient-rich diet.

2

Receive Fresh

Your Frinks® are made fresh, frozen for quality, and delivered weekly. Enjoy whole foods without additives, tailored to fuel your body and mind.

3

Start Your Health Journey Today!

Why FiiHii Products?

FiiHii products are a powerhouse blend of nutrient-rich ingredients that support not only your gut but also your mind and overall well-being. Each ingredient plays a unique role in enhancing your health, making FiiHii an all-in-one solution for individuals looking to optimise their nutrition.

FiiHii fruit smoothies assorted flavors lineup.

Get your FiiHii FRINK® flavours When you subscribe today

30 different fruits, vegetables, plants and seeds, prebiotics a week – recommended for optimum gut health which means optimum mental health

£90.00

Mainland UK delivery only, we do not ship to NI. After trying the FiiHii Frinks®, you might like to join our subscription plans for regular deliveries of fresh pouches.

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