ACTIFIZZ® (DOUBLE PACK)
ACTIFIZZ® (DOUBLE PACK)
ACTIFIZZ® (DOUBLE PACK)
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ACTIFIZZ® (DOUBLE PACK)

1000MG VITAMIN C 2000IU VITAMIN D3 15MG ZINC

Supercharge your immunity with ActiFizz, a precise immune system support supplement designed to help you stay active and energized. Each tablet delivers 1000mg of Vitamin C, 2000IU of Vitamin D3, and 15mg of Zinc, making it one of the best supplements for fatigue and energy, while also supporting muscle recovery and immune health.

Formulated for immune system vitality, ActiFizz combines the benefits of a Vitamin C immune booster, a Zinc supplement for immunity, and Vitamin D3 for immune health into a single, refreshing effervescent immune booster tablet.

It also works as an antioxidant supplement for immunity, helping to boost your immune system naturally while reducing tiredness and fatigue.

Immune support supplement to strengthen overall health
Helps reduce fatigue and improve daily energy levels
Effervescent immune booster tablets for quick absorption
Zinc and Vitamin C for better immunity and enhanced wellness
1 Pack
£8.99 One-time purchase
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The Ritual

Immunity isn't built in a day, it's built through consistent daily habits. ActiFizz is designed to be part of your everyday routine, not just something you reach for when you're run down. Understanding how your immune health, energy and recovery are connected is key to staying active and performing at your best all year round.

We recommend taking ActiFizz daily, consistently, not just during illness. Pair it with good hydration, quality sleep and regular movement for best results.

Dissolve one tablet in a glass or bottle of water. Leave to fizz. Drink daily.

Nutritional Information
Ingredient Per 1 Tablet NRV%
Vitamin C 1000mg 1250%
Vitamin D3 2000IU 1000%
Zinc 15mg 150%
Ingredients

Citric acid, Vitamin C (ascorbic acid), sodium hydrogencarbonate, sorbitol, orange flavouring, beetroot powder (colourant), zinc citrate, sucralose, Vitamin D3 (cholecalciferol), riboflavin-5-phosphate sodium (colourant).

Allergens & Suitability

No known allergens. Suitable for vegetarians. Free from gluten, dairy, soy. Sugar-free. Orange flavour.

Directions

Serving size: 1 tablet per day. Adults and children aged 12 and over. Dissolve one tablet in a glass or bottle of water. Leave to fizz fully before drinking. Can be taken before exercise or at any time of day.

Storage & Caution

Store in a cool, dry place below 25°C, out of direct sunlight. Keep tube tightly closed. Do not exceed the recommended daily intake. Keep out of sight and reach of children. If pregnant, breastfeeding, on medication, or under medical supervision, consult a healthcare professional before use. Do not use if tube seal is broken or damaged when purchased.

Functional Claims

Vitamin C contributes to the normal function of the immune system, a reduction of tiredness and fatigue, normal collagen formation for the normal function of bones, cartilage and teeth, normal psychological function, and the protection of cells from oxidative stress.

Vitamin D3 contributes to the normal function of the immune system, the maintenance of normal bones and teeth, normal muscle function, and normal blood calcium levels.

Zinc contributes to the normal function of the immune system, normal protein synthesis, the maintenance of normal bones, normal cognitive function, and the protection of cells from oxidative stress.

ACTIFIZZ

This is an Immune Booster.

Not a pre-workout buzz. A functional protocol for boosting your immunity, strength, hydration and performance in one tasty sugar-free drink.

1000mg

Vitamin C

40Secs

Dissolve time

2000IU

Vitamin D3

0g

Sugar

15mg

Zinc

394K+

Units sold across 8 countries
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What's Inside

Every ingredient earns its place.

Just what works, at the dose that matters.

1000mg Vitamin C
Contributes to normal energy-yielding metabolism, reduction of tiredness and fatigue & increases iron absorption.
2000IU VITAMIN D
Contributes to the maintenance of normal muscle function & absorption of calcium and phosphorus.
15MG ZINC
Maintenance of normal skin, hair, nails & bone health.
SUGAR-FREE Orange flavour
Tastes amazing & guilt-free.
ACTIFIZZ

Functional benefits. Zero sugar.

One sugar-free effervescent tablet. Every benefit earned, not borrowed.

Train harder, crash less
Supports normal testosterone levels
Stay hydrated mid-session
Immune support
Stronger reps, faster recovery
Refreshing Orange flavour - sugar-free
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How We Compare

Not all formulas are built equal.

Built for an everyday boost. Pre / Intra / Post workout. Get a real immune boost which actually tastes good.

 
FUNCTNL ACTIFIZZ
Typical
Vitamin C, D3 & Zinc
Usually Vitamin C & Zinc
3 Key ingredients
Usually more ingredients with less dosage
Sugar - free
Varies
Tasty Orange flavour
Taste varies
GMP Manufactured
Varies
The System

Explore the range.

FAQs

FAQs

What is Functnl Fizz and what are the benefits?

FunctnlFizz is a sugar-free, orange-flavoured effervescent drink that combines Vitamin C (1000 mg), Zinc (15 mg) and Vitamin D3 (2000 IU) in one easy daily tablet. It’s designed to support immune health, collagen production, bone strength, and everyday wellbeing — all in a refreshing drink that’s easy to take.

How should I take Functnl Fizz? +

Drop one tablet into a glass of water (around 250 ml), let it fully dissolve, and drink once daily. For best results, take it with or after food. Do not exceed the recommended daily intake.

Can I use Functnl Fizz every day? +

Yes. ActiFizz is suitable for daily use when taken as directed. It’s designed to help you consistently top up key nutrients that support immunity and overall health as part of your daily routine.

Are there any side effects? +

ActiFizz is generally well tolerated. Some people may experience mild digestive discomfort if taken on an empty stomach, mainly due to the high vitamin C content. If you notice any unusual effects, stop use and speak to a healthcare professional.

Is Functnl Fizz suitable for everyone? +

ActiFizz is sugar-free and suitable for most adults and children aged 12 years and over. If you are pregnant, breastfeeding, have a medical condition, or are taking medication, we recommend checking with your healthcare professional before use.

Can I take Functnl Fizz alongside other supplements or medicines? +

ActiFizz can usually be taken with other supplements, but if you’re already using products that contain vitamin C, zinc or vitamin D, or if you’re on prescription medication, it’s best to consult a healthcare professional to avoid excessive intake.