Is hair vitamins profitable to sell on Amazon United Kingdom?

The niche generates £834K/yr across 19 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -42.9%. Flapen's verdict: Skip it (47/100).

How competitive is the hair vitamins niche?

10 brands and 96 sellers compete. The top 5 products take 60% of clicks and top 5 brands hold 86% of demand.

What do buyers complain about in hair vitamins?

Top complaints mined from reviews: Taste-Overall, Functionality-Overall, Sleep Quality. The return rate is 0.1%.

When does demand for hair vitamins peak?

Demand peaks in Mar–Apr; the busiest month runs 5.4× the quietest.

What does it cost to enter the hair vitamins niche?

Listings span £3.72–£37.68; the average listing price is £11.09 (sweet spot $15–$100). The average incumbent carries 6,490 reviews — the moat a new listing must climb.

hair vitamins

Skip it

Soft demand (-42.9% this quarter) — this niche doesn't clear our bar today.

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Market size

Good£834K

£834K/yr · 3.7M searches

Price range

Good£3.72–£37.68

cheapest to priciest tracked listing — scored on the share inside $15–$100

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Avg price

Okay£11.09

avg listing price — sweet spot $15–$100

Competition

Okay60%

top-5 click share — leaders hold, buyers still browse

Brand share

Okay86%

top-5 brand share — brands hold most of the demand

Conversion

Okay2.1%

search→purchase rate — share of searches ending in a sale

Review moat

Bad6,489.79

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-42.9%

90-day search growth — must beat 0% to launch

According to Flapen's Amazon United Kingdom niche tracking, hair vitamins is a £834K/yr Amazon United Kingdom market (3.7M searches/yr). The top 5 brands hold 86% of demand. Demand peaks in Mar–Apr. Verdict: Skip it — 47/100.

Data updated Jul 20, 2026 · scored weekly · How we score niches

hair vitamins market data

Units sold / yr: 60K–80K; avg 3,000–4,000/product
Revenue / yr: £665K–£887K; units × avg price
Conversion rate: 2.1%
Avg BSR: #43
Page quality: 0%
Prime: 100%
Sponsored: 89%
Out of stock: 0.0%
Avg brand age: 38 months
Avg seller age: 155 days

Competition & brand share

The top 5 products take 60% of clicks — established leaders, but buyers still shop beyond them.

Brands

10 falling

Sellers

Top-5 brand share

86%

Top 20: 100%

Top-5 click share

60%

Top 20: 100%

Open market

10%

Nutrition Geeks55%
Regaine12%
Perfectil7%
Wellgard6%
NutriVolv5%
ALPHA014%
Open — no brand owns it (4 brands, 10%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -42.9% search growth over the last 90 days.

Peak months: Mar, Apr · busiest ÷ quietest = 5.4×

Open Trend

Top hair vitamins search terms

nutrition geeks collagen1.1M/yr -48.5%1.4% conv.
nutrition geeks collagen glow up powder506K/yr -37.5%0.6% conv.
geeks collagen glow up448K/yr -44.4%1.4% conv.
minoxidil women hair growth183K/yr -8.2%2.0% conv.
collagen glow up nutrition geeks223K/yr -65.3%1.0% conv.
geeks collagen124K/yr -36.0%1.8% conv.
collagen nutrition geeks118K/yr -44.6%1.6% conv.
nutrition geeks collagen glow up309K/yr -61.9%0.6% conv.
collagen glow up92K/yr -40.6%0.7% conv.
hair vitamins85K/yr -24.2%4.1% conv.

All search terms

Top hair vitamins 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.

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

Biotin Hair Growth Supplement - 180 Vegan Tablets Enhanced with Zinc & Selenium Hair Vitamins Complex - Biotin 10000 mcg - Hair Skin and Nails Vitamins for Women & Men UK (Packaging Design May Vary)

Nutrition Geeks£5.654.4★12,562 rev

Magnesium Glycinate 3-in-1 Complex - 1800mg Supplements as Bisglycinate Citrate & Malate 90 Vegan Capsules Triple High Absorption 384mg Elemental UK Made

Nutrition Geeks£8.114.5★35,574 rev

Pure Creatine Monohydrate Powder - 315g (90 Servings) - Easy Dissolve Creatine Powder Unflavoured & Micronised (Not Creatine Gummies or Creatine Tablets) Vegan Creatine for Women and Men

Nutrition Geeks£8.174.5★5,149 rev

Collagen Powder Gold Standard Bovine Collagen Peptides Powder by Wellgard - High Levels of The 8 Essential Amino Acids Collagen Supplements Halal & Kosher Made in UK

Wellgard£15.834.5★21,242 rev

Regaine for Women 5% Minoxidil Extra Strength Scalp Foam for Hair Regrowth (2x 73ml) Scientifically Proven to Help Stop and Reverse Hereditary Female Hair Loss Revitalise Hair Follicles

Regaine£37.684.0★2,507 rev

Newest

by launch date

Apple Cider Vinegar Capsules 15 000mg with Mother & 30% Acetic Acid - Enhanced with Chromium & Cayenne Pepper - 90 Vegan Capsules (Not Apple Cider Vinegar Gummies or Liquid) Teeth Friendly - UK Made

Nutrition Geeks£8.23963 rev

4mo ago

Marine Collagen Powder - Glow Up Supplement for Women & Men - Skin Hair & Nail Support - Odourless & Easy to Mix - Hydrolyzed Peptides Type 1 Collagen from Fish - High Absorption (240g)

SuperSelf£11.22119 rev

10mo ago

Collagen Powder - Collagen Peptides Powder with Hyaluronic Acid Vitamin C & Biotin 5000mg Hydrolysed Bovine Collagen per Serving Strawberry Flavour 30 Servings (165g)

Freak Athletics£8.31543 rev

1y ago

Pure Creatine Monohydrate Powder - 315g (90 Servings) - Easy Dissolve Creatine Powder Unflavoured & Micronised (Not Creatine Gummies or Creatine Tablets) Vegan Creatine for Women and Men

Nutrition Geeks£8.175,149 rev

1y ago

Magnesium Glycinate 3-in-1 Complex - 1800mg Supplements as Bisglycinate Citrate & Malate 90 Vegan Capsules Triple High Absorption 384mg Elemental UK Made

Nutrition Geeks£8.1135,574 rev

3y ago

What buyers say about hair vitamins

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall18%

“Amazing quality”

Value For Money11%

“Good value for money”

Sleep Quality10%

“HELPS WITH SLEEP”

Advertised Vs Actual Product5%

“As Advertised”

Ease Of Chewing/Swallowing4%

“swallowed easily”

Magnesium4%

“best magnesium”

Ease Of Use4%

“Ease of use”

Hair Growth3%

“Helps your hair grow”

Solubility3%

“dissolves easily”

Efficiency3%

“Does the job”

What buyers complain about

Taste-Overall7%

“Horrible taste”

Functionality-Overall7%

“Not working properly”

Sleep Quality6%

“still cant sleep”

Side Effects6%

“However, I have had some uncomfortable side effects:”

Dosage5%

“The dosage is VERY low”

Size-Overall4%

“Theyre also tiny”

Magnesium4%

“This magnesium does not work”

Acid Regulator/Stomach Ache Relief4%

“Caused bloating”

Value For Money3%

“Too expensive”

Quality-Overall3%

“Poor quality bottles/nozzles”

Top return reasons

Age Suitability30%

Functionality-Overall10%

Blood Pressure8%

Suitability Short Hair7%

Side Effects5%

Leak-Proof4%

Advertised Vs Actual Product4%