heart health supplements
Skip itBrand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Avg price
Incredible£30.58avg listing price — sweet spot $15–$100
Conversion
Great9.6%search→purchase rate — share of searches ending in a sale
Price range
Great£5.21–£118.34cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Market size
Okay£100K£100K/yr · 34K searches
Review moat
Bad5,924.22avg incumbent reviews — the moat a new listing must climb
Growth
Bad-21.7%90-day search growth — must beat 0% to launch
Competition
Bad88%top-5 click share — a locked-up shelf
Brand share
Bad98%top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, heart health supplements is a £100K/yr Amazon United Kingdom market (34K searches/yr). The top 5 brands hold 98% of demand. Verdict: Skip it — 41/100.
Data updated Jul 25, 2026 · scored weekly · How we score niches
heart health supplements market data
- Units sold / yr
- 4K–5K
- avg 500–750/product
- Revenue / yr
- £122K–£153K
- units × avg price
- Conversion rate
- 9.6%
- Avg BSR
- #136
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 67%
- Out of stock
- 0.0%
- Avg brand age
- 49 months
- Avg seller age
- 182 days
Competition & brand share
The top 5 products capture 88% of clicks — a locked-up shelf that new listings rarely crack.Brands
6 rising
Sellers
39
Top-5 brand share
98%
Top 20: 100%
Top-5 click share
88%
Top 20: 100%
Open market
0%
- Cardioace77%
- AliveCor10%
- EVO NUTRITION5%
- swiss bioenergetics3%
- Zipvit2%
- Insynergy Labs2%
- Open — no brand owns it (0%)
Demand & seasonality
Weekly Amazon search volume, last 80 weeks — -21.7% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.6×
Top heart health supplements search terms
- cardioace plus10K/yr
- heart health supplements9K/yr
- heart health8K/yr
- cardioace4K/yr
- heart supplements3K/yr
Top heart health supplements 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.
All 9 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Cardioace Plus - Omega-3 Capsules 60 each
Cardioace£8.694.7★428 rev
Cardioace Max - 84 Capsules
Cardioace£16.684.6★408 rev
Cardioace Original - 30 Tablets
Cardioace£5.214.4★284 rev
KardiaMobile 1-Lead Personal ECG Heart Rate Monitor + 1 Month Free of KardiaCare - Record ECGs at Home Detects Atrial Fibrillation Trusted by the NHS Fast Results Works with Most Smartphones
AliveCor£71.714.4★110 rev
Beetroot Complex & L-Citrulline 10 000mg | 180 Capsules | High Strength | Nitric Oxide Booster to Support Circulation for Energy & Daily Wellness | Vegan Non-GMO UK Made 3 Months | EVO NUTRITION
EVO NUTRITION£8.114.4★1,301 rev
Newest
by launch dateBeetroot Complex & L-Citrulline 10 000mg | 180 Capsules | High Strength | Nitric Oxide Booster to Support Circulation for Energy & Daily Wellness | Vegan Non-GMO UK Made 3 Months | EVO NUTRITION
EVO NUTRITION£8.111,301 rev
KardiaMobile 1-Lead Personal ECG Heart Rate Monitor + 1 Month Free of KardiaCare - Record ECGs at Home Detects Atrial Fibrillation Trusted by the NHS Fast Results Works with Most Smartphones
AliveCor£71.71110 rev
KardiaMobile 6-Lead Personal ECG HeartRateMonitor + 1 Month Free of KardiaCare - Six Views of The Heart DetectsAtrial Fibrillation Trusted by the NHS Fast Results Works with Most Smartphones
AliveCor£118.3428,994 rev
Heart Guard - Premium Blood Pressure Supplement (Maximum Dosage in UK) 13 Ingredients Blood Pressure Tablets 90 Vegan Capsules Heart Health Blood Pressure Support
Insynergy Labs£21.6070 rev
Zipvit Omega 3 Fish Oil 2000mg EPA 660mg DHA 440mg Wild-Caught Cold Water Fish Supports Heart Brain & Vision 120 Softgels 2 Months Supply
Zipvit£8.1420,714 rev
Trending
90-day click momentumKardiaMobile 1-Lead Personal ECG Heart Rate Monitor + 1 Month Free of KardiaCare - Record ECGs at Home Detects Atrial Fibrillation Trusted by the NHS Fast Results Works with Most Smartphones
AliveCor£71.714.4★
KardiaMobile 6-Lead Personal ECG HeartRateMonitor + 1 Month Free of KardiaCare - Six Views of The Heart DetectsAtrial Fibrillation Trusted by the NHS Fast Results Works with Most Smartphones
AliveCor£118.344.3★
Beetroot Complex & L-Citrulline 10 000mg | 180 Capsules | High Strength | Nitric Oxide Booster to Support Circulation for Energy & Daily Wellness | Vegan Non-GMO UK Made 3 Months | EVO NUTRITION
EVO NUTRITION£8.114.4★
Cardioace Max - 84 Capsules
Cardioace£16.684.6★
CardioDefence 90 Capsules a Precise Balance of CoQ10 D-Ribose Acetyl L-Carnitine B Vitamins and MCT to contribute to The Normal Function of The Heart and Reduce Tiredness and Fatigue
swiss bioenergetics£16.774.4★
What buyers say about heart health supplements
What buyers praise and complain about, mined from review topics.What buyers love
“Well-made, easy to take”
“reasonable price”
“As advertised well pleased”
“Easy to use”
“easy to take without any gut issues”
“Heart Health Improvement”
“Vitamin”
“blood pressure is good”
“Quite happy so far, so taste and easy to swallow”
“Good dietary supplement”
What buyers complain about
“The aftertaste is awful”
“I'm not one for following tablet regimes accurately”
“Quite expensive”
“Not working”
“Very poor quality as the main ingredient is corn starch which is just a filler”
“The container smells, as usual,”
“The capsules are a bit large”
“Bad quality tablets”
“The pills are a bit big to swallow”
“I have high blood pressure”
Top return reasons
Common questions
- Is heart health supplements profitable to sell on Amazon United Kingdom?
- The niche generates £100K/yr across 9 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -21.7%. Flapen's verdict: Skip it (41/100).
- How competitive is the heart health supplements niche?
- 6 brands and 39 sellers compete. The top 5 products take 88% of clicks and top 5 brands hold 98% of demand.
- What do buyers complain about in heart health supplements?
- Top complaints mined from reviews: Taste-Overall, Dosage, Value For Money. The return rate is 0.1%.
- When does demand for heart health supplements peak?
- Demand is steady year-round — the busiest month runs 1.6× the quietest.
- What does it cost to enter the heart health supplements niche?
- Listings span £5.21–£118.34; the average listing price is £30.58 (sweet spot $15–$100). The average incumbent carries 5,924 reviews — the moat a new listing must climb.