probiotic complex
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Avg price
Incredible£23.38avg listing price — sweet spot $15–$100
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Price range
Good£8.18–£29.06cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Good4.7%search→purchase rate — share of searches ending in a sale
Review moat
Good1,305.32avg incumbent reviews — the moat a new listing must climb
Growth
Okay+13.7%90-day search growth — must beat 0% to launch
Competition
Okay67%top-5 click share — leaders hold, buyers still browse
Market size
Okay£114K£114K/yr · 104K searches
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, probiotic complex is a £114K/yr Amazon United Kingdom market (104K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Sep. Verdict: Skip it — 49/100.
Data updated Jul 25, 2026 · scored weekly · How we score niches
probiotic complex market data
- Units sold / yr
- 5K–6K
- avg 250–500/product
- Revenue / yr
- £117K–£140K
- units × avg price
- Conversion rate
- 4.7%
- Avg BSR
- #86
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 0.0%
- Avg brand age
- 49 months
- Avg seller age
- 175 days
Competition & brand share
The top 5 products take 67% of clicks — established leaders, but buyers still shop beyond them.Brands
5 falling
Sellers
8
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
67%
Top 20: 100%
Open market
0%
- Bettervits91%
- Nutravita4%
- NUTRALIE3%
- SS Sport Supplies2%
- PH PROWISE Healthcare1%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +13.7% search growth over the last 90 days.Peak months: Sep · busiest ÷ quietest = 11.7×
Top probiotic complex search terms
- bettervits77K/yr
- glucosamine complex11K/yr
- better vits7K/yr
- bettervits glucosamine complex5K/yr
- bettervits uk4K/yr
Top probiotic complex 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 19 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Bettervits Collagen Complex with Hyaluronic Acid and Vitamin C | Marine Collagen Supplements for Women and Men with Biotin | High-Strength Vitamin E for Skin Hair Nails Joint Health - 60 Capsules
Bettervits£28.834.1★648 rev
Bettervits Glucosamine Complex with MSM Turmeric & Vitamin C | Glucosamine and Chondroitin High Strength | Joint Care Supplements for Men & Women | Supports Mobility & Flexibility - 90 Tablets
Bettervits£28.864.1★508 rev
Bettervits Magnesium Glycinate Complex with Citrate Malate Zinc & Vitamin D3 | Magnesium Supplements for Muscle Recovery Heart Health & Sleep Support - High Absorption | 60 Capsules
Bettervits£28.864.4★487 rev
Bettervits Creatine Monohydrate Powder | Ideal for Muscle Growth & Recovery - Unflavoured Creatine 5g | 100% Pure Micronised Creatine Powder | Supports Strength Performance | 60 Servings
Bettervits£24.954.5★495 rev
Bettervits Omega 3 Capsules High Strength - 33% EPA & 22% DHA | Omega 3 Fish Oil Nutritional Supplements - Supports Overall Well-Being: Heart Eye Skin & Bone Health | 60 Easy-to-Swallow Capsules
Bettervits£26.314.5★162 rev
Newest
by launch date
Bettervits PCOS Complex with Inositol Folic Acid Berberine | MYO - Inositol 4000mg and Maca Root 10 000mg | Hormonal Balance for Women with Vitamin B12 | PCOS Supplements for Women - 120 Tablets
Bettervits£29.0645 rev
Bettervits Vitamin B-Complex High Strength - Vitamins B1 B2 B3 B5 B6 B12 | Immune Support with Choline Biotin Folate Vitamin C - Daily Energy and Metabolism for Men and Women - 60 Capsules
Bettervits£24.9453 rev
Bettervits Protein Bars 12 Pack - Low Calorie | High Protein 20.3g Energy Bars | Low Sugar Protein Snacks for Gym & Fitness | Just 192 Calories - UK Made | Salted Caramel
Bettervits£22.9180 rev
Glucosamine and Chondroitin High Strength Plus 5 Vitamins - 120 Complex Capsules 1 000mg (Providing 530mg Base) - Chondroitin 200mg - Added Turmeric Ginger Black Pepper Vitamin C B6 B1 D3 & B12
SS Sport Supplies£8.182,260 rev
Bettervits Creatine Monohydrate Powder | Ideal for Muscle Growth & Recovery - Unflavoured Creatine 5g | 100% Pure Micronised Creatine Powder | Supports Strength Performance | 60 Servings
Bettervits£24.95495 rev
Trending
90-day click momentum
Bettervits Multivitamin Tablets for Women & Men with 13 Vitamins | Multivitamins A B C D E Biotin - Energy Boost & Immunity Support | Gluten-Free and Vegetarian Friendly | 60 Vitamin Capsules
Bettervits£20.554.1★
Bettervits PCOS Complex with Inositol Folic Acid Berberine | MYO - Inositol 4000mg and Maca Root 10 000mg | Hormonal Balance for Women with Vitamin B12 | PCOS Supplements for Women - 120 Tablets
Bettervits£29.063.0★
Bettervits Creatine Monohydrate Powder | Ideal for Muscle Growth & Recovery - Unflavoured Creatine 5g | 100% Pure Micronised Creatine Powder | Supports Strength Performance | 60 Servings
Bettervits£24.954.5★
Bettervits Collagen Complex with Hyaluronic Acid and Vitamin C | Marine Collagen Supplements for Women and Men with Biotin | High-Strength Vitamin E for Skin Hair Nails Joint Health - 60 Capsules
Bettervits£28.834.1★
Bettervits Vitamin D3 K2 4000IU High Strength | Premium K2 Vitamin Supplements | Supports Immune System - Bone & Heart Health | Essential VIT D for Energy & Mood | Vegetarian Friendly - 60 Capsules
Bettervits£26.084.4★
What buyers say about probiotic complex
What buyers praise and complain about, mined from review topics.What buyers love
“Good quality product arrived on time”
“Reduces joint aches and pains”
“GOOD VALUE”
“Good vitamins”
“Convenient”
“efficient”
“Very easy swallowed”
“As advertised”
“Great for muscle pains”
“Lovely tasty protein bars, really enjoyable”
What buyers complain about
“Other reviews have mentioned difficulty in swallowing these”
“Not great tasting bars”
“Waste of money”
“Large capsules,”
“Take a while to work”
“Doesnt dissolve well”
“The description still states it has this but it doesnt any more.”
“Joint problems”
“But for some reason this product gave me bad acid reflux so stopped using it”
“Our Glucosamine and Chondroitin Complex is not halal”
Top return reasons
Common questions
- Is probiotic complex profitable to sell on Amazon United Kingdom?
- The niche generates £114K/yr across 19 tracked products. 90-day search growth is +13.7%. Flapen's verdict: Skip it (49/100).
- How competitive is the probiotic complex niche?
- 5 brands and 8 sellers compete. The top 5 products take 67% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in probiotic complex?
- Top complaints mined from reviews: Ease Of Chewing/Swallowing, Taste-Overall, Value For Money. The return rate is 0.1%.
- When does demand for probiotic complex peak?
- Demand peaks in Sep; the busiest month runs 11.7× the quietest.
- What does it cost to enter the probiotic complex niche?
- Listings span £8.18–£29.06; the average listing price is £23.38 (sweet spot $15–$100). The average incumbent carries 1,305 reviews — the moat a new listing must climb.