---
title: "Isotonic Powder — £97K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/grocery/isotonic-powder"
last_updated: "2026-07-31T20:18:32.809Z"
locale: en
meta:
description: "Niche score 43/100 · £97K/yr market · 79K searches/yr · £12.26 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 43/100 · £97K/yr market · 79K searches/yr · £12.26 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Isotonic Powder — £97K/yr Amazon UK Niche (2026) - Flapen"
---
# **isotonic powder**
**Skip it**
Brand-locked demand (top 5 brands take 99% of clicks) — this niche doesn't clear our bar today.
Market size 24Growth 19Conversion 87Competition 38Returns 100Price range 36Avg price 52Brand share 3Review moat 66Quality gap 45
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****10.1%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Good****870.68**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Good****£12.26**
avg listing price — sweet spot $15–$100
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Competition**
**Okay****62%**
top-5 click share — leaders hold, buyers still browse
**Price range**
**Okay****£4.29–£21.15**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Bad****£97K**
£97K/yr · 79K searches
**Growth**
**Bad****-12.5%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****99%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, isotonic powder is a £97K/yr Amazon United Kingdom market (79K searches/yr). The top 5 brands hold 99% of demand. Demand peaks in Aug–Sep–Oct. Verdict: Skip it — 43/100.
Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **isotonic powder market data**
- **Units sold / yr**
- **8K–10K**
- avg 250–500/product
- **Revenue / yr**
- **£98K–£123K**
- units × avg price
- **Conversion rate**
- **10.1%**
- **Avg BSR**
- **#59**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **95%**
- **Out of stock**
- **3.7%**
- **Avg brand age**
- **48 months**
- **Avg seller age**
- **164 days**
## **Competition & brand share**
The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**6 **—flat
**Sellers**
**43**
**Top-5 brand share**
**99%**
Top 20: 100%
**Top-5 click share**
**62%**
Top 20: 100%
**Open market**
**0%**
- FAST&UP57% - Science in Sport36% - Powerbar3% - Optimum Nutrition2% - HIGH52% - Precision Hydration1%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -12.5% search growth over the last 90 days.
13K8KSpike '24Spike '25Prime Day '25Spike '26Prime Day '26 seasonSepDecMarJunAugNovMarMay
Peak months: Aug, Sep, Oct · busiest ÷ quietest = 9.7×
[**Open Trend **](https://flapen.com/research/uk/grocery/isotonic-powder/trend)
## **Top isotonic powder search terms**
- **fast and up**13K/yr-11.3%10.3% conv. - **isotonic powder**9K/yr+62.1%1.7% conv. - **fast and up reload electrolytes**12K/yr-40.5%11.3% conv. - **sis electrolyte powder**11K/yr-34.3%7.4% conv. - **fast up electrolytes**10K/yr-37.2%9.9% conv. - **fast up**4K/yr-12.0%11.1% conv. - **sis carbohydrate powder**3K/yr+17.3%9.4% conv. - **sis go electrolyte powder**5K/yr+3.0%9.8% conv. - **fast&up**3K/yr+8.6%7.9% conv. - **sis powder**3K/yr+47.8%8.6% conv. [**All search terms **](https://flapen.com/research/uk/grocery/isotonic-powder/search-terms)
## **Top isotonic powder products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%10%£10K20%£19K30%£29K40%£39K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 19 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Fast&Up Reload Energising Electrolyte Drink - Variety Pack - 80 Effervescent Hydration Tablets - Added Vitamin C & B12 - Vegan**FAST&UP**£12.69**4.3★546 rev](https://www.amazon.co.uk/dp/B0DHVH8MCG) [2**Science In Sport GO Electrolyte Powder Energy Drinks High Carbohydrates and Sodium Lemon and Lime Flavour 32 Servings Per 1.6kg**Science in Sport**£20.77**4.6★1,550 rev](https://www.amazon.co.uk/dp/B002FOHFW0) [3**Fast&Up Reload Energising Electrolyte Drink - Mixed Berry Flavour - 80 Effervescent Hydration Tablets - Added Vitamin C & B12 - Vegan**FAST&UP**£13.38**4.5★2,461 rev](https://www.amazon.co.uk/dp/B0B2T2C7DX) [4**Science In Sport GO Electrolyte Powder Energy Drinks High Carbohydrates and Sodium Blackcurrant Flavour 32 Servings Per 1.6kg**Science in Sport**£21.15**4.4★855 rev](https://www.amazon.co.uk/dp/B000T8Z6QQ) [5**Fast&Up Reload - Energising Electrolyte Drink - Mixed Berry Flavour - 20 Effervescent Hydration Tablets - Added Vitamin C & B12 - Vegan**FAST&UP**£4.29**4.5★2,461 rev](https://www.amazon.co.uk/dp/B09292LGWF)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Fast&Up Reload Zero Electrolyte Tablets | Zero Sugar & Calories | Summer Fruits Flavour | 100 Effervescent Tablets with Vitamin C & B12 | Instant Hydration & Energy**FAST&UP**£11.71**113 rev10mo ago](https://www.amazon.co.uk/dp/B0FPMGFGBF) [**Fast&Up Reload Zero Electrolyte Tablets | Zero Sugar & Calories | Lemon & Lime Flavour | 100 Effervescent Tablets with Vitamin C & B12 | Instant Hydration & Energy**FAST&UP**£13.25**51 rev10mo ago](https://www.amazon.co.uk/dp/B0FPMLKSC2) [**Fast&Up Reload Zero Electrolyte Tablets | Zero Sugar & Calories | Summer Fruits Flavour | 25 Effervescent Tablets with Vitamin C & B12 | Instant Hydration & Energy**FAST&UP**£6.08**113 rev10mo ago](https://www.amazon.co.uk/dp/B0FPMHXG22) [**Optimum Nutrition Electrolyte Powder Forest Berries Ready-to-Mix Formula Sodium Magnesium Potassium Food Supplement for Workouts and Intense Training 264 g 33 Servings**Optimum Nutrition**£6.71**688 rev1y ago](https://www.amazon.co.uk/dp/B0F6LS86JX) [**Science in Sport Hydro+ Electrolytes Powder Sachets with 5 Essential Electrolytes and Added Vitamins C B6 and B12 for Hydration Drink | Berry Pack of 20 Sachets**Science in Sport**£18.19**135 rev1y ago](https://www.amazon.co.uk/dp/B0DHDC4TPJ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Science In Sport GO Electrolyte Powder Energy Drinks High Carbohydrates and Sodium Blackcurrant Flavour 12 Servings Per 500 g**Science in Sport**£10.65**4.4★**▲ 45%**](https://www.amazon.co.uk/dp/B000T92I98) [**Fast&Up Reload Energising Electrolyte Drink - Variety Pack - 80 Effervescent Hydration Tablets - Added Vitamin C & B12 - Vegan**FAST&UP**£12.69**4.3★**▲ 38%**](https://www.amazon.co.uk/dp/B0DHVH8MCG) [**Optimum Nutrition Electrolyte Powder Forest Berries Ready-to-Mix Formula Sodium Magnesium Potassium Food Supplement for Workouts and Intense Training 264 g 33 Servings**Optimum Nutrition**£6.71**4.1★**▲ 37%**](https://www.amazon.co.uk/dp/B0F6LS86JX) [**Fast&Up Reload Zero Electrolyte Tablets | Zero Sugar & Calories | Summer Fruits Flavour | 100 Effervescent Tablets with Vitamin C & B12 | Instant Hydration & Energy**FAST&UP**£11.71**4.7★**▲ 36%**](https://www.amazon.co.uk/dp/B0FPMGFGBF) [**Powerbar Isoactive (600g) Orange - Energy & Endurance - Electrolytes**Powerbar**£8.80**4.4★**▲ 23%**](https://www.amazon.co.uk/dp/B078K3T8MQ)
**~~View all trending →~~**
## **What buyers say about isotonic powder**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Taste-Overall**24%
*“Love the taste very refreshing”*
**Flavor**11%
*“Great flavour”*
**Quality-Overall**11%
*“Best performance brand there is”*
**Value For Money**7%
*“Excellent value for money”*
**Moist/Dry**7%
*“Good for hydration”*
**Solubility**6%
*“Mixes well and taste nice”*
**Energy Level**4%
*“do help with your energy”*
**Ease Of Use**3%
*“Easy to use”*
**Advertised Vs Actual Product**2%
*“Dose the job”*
**Sweetness**2%
*“not overly sweet”*
### **What buyers complain about **
**Taste-Overall**32%
*“Gross taste”*
**Flavor**14%
*“Weak flavour”*
**Solubility**10%
*“Not dissolving”*
**Salt Content**5%
*“Doesnt taste like salt like the other brand I bought”*
**Sweetness**3%
*“I don't like overly sugary drinks”*
**Functionality-Overall**3%
*“Didnt really notice much difference when using them”*
**Value For Money**2%
*“A little on the expensive side”*
**Quality-Overall**2%
*“Garbage”*
**Blood Sugar Level**1%
*“it does contain a lot of sugar”*
**Mixing/Blending**1%
*“Really horrible to mix”*
### **Top return reasons **
**Leak-Proof**50%
**Vitamin**50%
## **Common questions**
- **Is isotonic powder profitable to sell on Amazon United Kingdom?**
- The niche generates £97K/yr across 19 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is -12.5%. Flapen's verdict: Skip it (43/100).
- **How competitive is the isotonic powder niche?**
- 6 brands and 43 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 99% of demand.
- **What do buyers complain about in isotonic powder?**
- Top complaints mined from reviews: Taste-Overall, Flavor, Solubility. The return rate is 0.0%.
- **When does demand for isotonic powder peak?**
- Demand peaks in Aug–Sep–Oct; the busiest month runs 9.7× the quietest.
- **What does it cost to enter the isotonic powder niche?**
- Listings span £4.29–£21.15; the average listing price is £12.26 (sweet spot $15–$100). The average incumbent carries 871 reviews — the moat a new listing must climb.
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