• A group of runners racing outdoors under a blue sky, with large overlaid text reading 'PERFORMANCE +44 SECONDS' and smaller text about a 16.1 km cycling time-trial improvement.
  • Two athletic men in colorful tie-dye tank tops are shown outdoors on a sunny day, with one in sharp focus and the other blurred in the background. Large white text overlays read 'RECOVERY 84% LOWER Creatine Kinase (Marker of Muscle Damage) 96 Hours Post-Exercise'.
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FLYCARB

Anthosystem

Anthosystem

£9.99 GBP
£9.99 GBP
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Taxes included. Shipping calculated at checkout.

AnthoSystem is a five-day anthocyanin loading system designed to prepare you for race day.

Days 1–4: 4 × AnthoLoading drinks to build your daily anthocyanin intake ahead of your race.

Race day: 1 × HICARB Antho+, combining anthocyanins with carbohydrates to fuel your performance.

A simple strategy to build anthocyanin intake in the days before your target race, while supporting recovery and performance when it matters most.
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Anthosystem

Anthosystem

£9.99

  • Complete 5-Day Anthocyanin Race Loading Pack
  • Includes 4x Antholoading + 1x HICARB ANTHO+
  • 300mg Bioactive New Zealand Blackcurrant Anthocyanins Daily
  • Improves Exercise Performance by up to 2.5%
  • 84% Lower Muscle Damage Marker (Creatine Kinase)
  • Optimized Pre-Race Vascular & Carbohydrate Loading

Pre-Race Loading Science

5-Day Pre-Race Loading & Fuelling Protocol

The ANTHOSYSTEM is a 5-day pre-race loading pack designed to build anthocyanin intake ahead of a target race, then combine the final dose with race-day fuelling.

Multi-day anthocyanin intake saturates muscle tissue with protective polyphenols to reduce muscle damage markers by up to 84% and support up to a 2.5% endurance performance improvement on race day.

Read our 'Purple Paper' here to explore the full science of Anthocyanins.

Read The Purple Paper

The Anthosystem

What's In It & How To Use It

What's In It:
The ANTHOSYSTEM pack contains 4x ANTHOLOADING Drink sachets (300mg anthocyanins, 20g carbs, 1,000mg electrolytes each) + 1x HICARB ANTHO+ Drink sachet (300mg anthocyanins, 50g carbs).

Suggested Use:
• Days 1–4: Drink 1 ANTHOLOADING sachet daily with 200–500 ml water.
• Day 5 (Race Day): Consume 1 HICARB ANTHO+ sachet 1–3 hours before your event.

Explore Anthocyanin Science
Sports Science with Dr Carpenter
Watch Breakdown (1:24)
Dr Matt Carpenter
Lecturer in Sports Science at University of Northampton
✦ Sports Science with Dr Carpenter

The Science of Anthocyanins with Dr Matt Carpenter

🎓
Dr Matt Carpenter · Lecturer in Sports Science at University of Northampton

Watch Dr Matt Carpenter (Lecturer in Sports Science) explain how anthocyanins derived from New Zealand blackcurrants can enhance endurance performance and accelerate recovery.

"Pretty Good Evidence" Research has shown improved blood vessel dilation and circulation, helping to transport oxygen to active muscles more efficiently.
Loading is key The research shows that a multiple day loading protocol is required for the biggest performance improvements.
The Most Important Thing A standardised anthocyanin dose, and with FLYCARB anthosystem, you are getting 300mg in each serving.
Read The Purple Paper →

Pre-Race Bundle Guide

Frequently Asked Questions

What is included in the ANTHOSYSTEM pack?

The ANTHOSYSTEM pack contains 4x ANTHOLOADING Drink sachets (for pre-race Days 1–4) + 1x HICARB ANTHO+ Drink sachet (for Day 5 / Race Day).

How does the 5-day protocol work?

Drink 1 ANTHOLOADING sachet each day on Days 1 to 4 before your race. Then consume 1 HICARB ANTHO+ sachet on race morning 1–3 hours before your effort to finish loading and fuel your performance.

Why combine Antholoading with HICARB ANTHO+?

Antholoading supports muscle tissue recovery with 300mg anthocyanins per day across 4 days. HICARB ANTHO+ completes the loading cycle on race day by providing 300mg anthocyanins alongside 50g of carbohydrates for pre-race fueling.

Read The Purple Paper & Scientific Research

Explore the comprehensive science behind New Zealand Blackcurrant anthocyanins in our Purple Paper Report.

Shipping & Delivery

UK Shipping

  • Royal Mail 48: 2–3 working days
  • Royal Mail 24: Next working day
  • Fully tracked delivery

Returns

Full refund within 14 days if unopened and in original packaging.

Nutritional Information (Typical Values)

NZB ANTHLOADING DRINK

Nutrition Facts - Per 100g

Energy 365kcal
Energy kj 1528.7kJ
Fat 0.1g
Of which saturates 0g
Carbohydrates 88.1g
Of which sugars 44.4g
Fibre 3.2g
Protein 0.4g
Salt 3.2g
Sodium 1.29g
NZB HICARB

Nutrition Facts - Per 100g

Energy 389kcal
Energy kj 1628.1kJ
Fat 0.1g
Of which saturates 0g
Carbohydrates 95.9g
Of which sugars 47.6g
Fibre 2.0g
Protein 0.2g
Salt 0.1g
Sodium 0.02g