Is methylated b vitamins profitable to sell on Amazon United Kingdom?

The niche generates £87K/yr across 13 tracked products. 90-day search growth is -18.9%. Flapen's verdict: Skip it (41/100).

How competitive is the methylated b vitamins niche?

10 brands and 13 sellers compete. The top 5 products take 76% of clicks and top 5 brands hold 85% of demand.

What do buyers complain about in methylated b vitamins?

Top complaints mined from reviews: Smell, Taste-Overall, Dosage. The return rate is 0.1%.

When does demand for methylated b vitamins peak?

Demand peaks in Aug–Sep–Oct–Nov; the busiest month runs 9.9× the quietest.

What does it cost to enter the methylated b vitamins niche?

Listings span £7.92–£20.57; the average listing price is £12.19 (sweet spot $15–$100). The average incumbent carries 7,037 reviews — the moat a new listing must climb.

methylated b vitamins

Skip it

Soft demand (-18.9% this quarter) — this niche doesn't clear our bar today.

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Conversion

Great11.6%

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

Avg price

Good£12.19

avg listing price — sweet spot $15–$100

Price range

Okay£7.92–£20.57

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

Brand share

Okay85%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Review moat

Bad7,036.54

avg incumbent reviews — the moat a new listing must climb

Market size

Bad£87K

£87K/yr · 62K searches

Competition

Bad76%

top-5 click share — a locked-up shelf

Growth

Bad-18.9%

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

According to Flapen's Amazon United Kingdom niche tracking, methylated b vitamins is a £87K/yr Amazon United Kingdom market (62K searches/yr). The top 5 brands hold 85% of demand. Demand peaks in Aug–Sep–Oct–Nov. Verdict: Skip it — 41/100.

Data updated Jul 25, 2026 · scored weekly · How we score niches

methylated b vitamins market data

Units sold / yr: 6K–8K; avg 250–500/product
Revenue / yr: £73K–£98K; units × avg price
Conversion rate: 11.6%
Avg BSR: #23
Page quality: 0%
Prime: 100%
Sponsored: 85%
Out of stock: 1.4%
Avg brand age: 71 months
Avg seller age: 188 days

Competition & brand share

The top 5 products capture 76% of clicks — a locked-up shelf that new listings rarely crack.

Brands

10 falling

Sellers

Top-5 brand share

85%

Top 20: 100%

Top-5 click share

76%

Top 20: 100%

Open market

11%

Igennus Healthcare Nutrition53%
Biocare14%
swiss bioenergetics9%
VitaBright5%
Royal Oak Health4%
Health4All4%
Open — no brand owns it (4 brands, 11%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -18.9% search growth over the last 90 days.

Peak months: Aug, Sep, Oct, Nov · busiest ÷ quietest = 9.9×

Open Trend

Top methylated b vitamins search terms

methylated b complex25K/yr -22.4%8.1% conv.
methylated b vitamins8K/yr -22.6%8.0% conv.
super b complex6K/yr +0.0%16.7% conv.
methyl b complex6K/yr -9.7%10.8% conv.
super b6K/yr -38.7%0.6% conv.
igennus super b complex4K/yr -1.5%18.4% conv.
b complex methylated5K/yr -25.2%7.5% conv.
igennus super b-complex2K/yr +7.6%16.4% conv.

All search terms

Top methylated b 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 13 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Igennus Super B-Complex - High Absorption Methylated B Vitamins Clean Label Sustained Release - Complete Spectrum of B Vitamins with Folate Boosted B12 & Vitamin C 60 Tablets

Igennus Healthcare Nutrition£7.924.6★27,744 rev

Igennus Super B-Complex - High Absorption Methylated B Vitamins Clean Label 180 Sustained Release Tablets - Complete Spectrum of B Vitamins with Folate Boosted B12 & Vitamin C 90 Servings

Igennus Healthcare Nutrition£20.574.6★27,744 rev

BioCare Methyl B Complex 60 Capsules

Biocare£15.104.7★153 rev

Vitamin B Complex Plus - 90 Capsules - Superior Methylated Formula with Added Choline PABA & Inositol - Includes Essential Multi B-Vitamins B1 B2 B3 B5 B6 B12 Biotin & Folate

swiss bioenergetics£7.994.6★987 rev

Vitamin B Complex High Strength Methylated B Vitamins | B6 Vitamins with Folate & B12 Supplements | Complete Complex with 12 Active Nutrients | Not Liquid Drops Or Spray | Vitabright

VitaBright£13.734.6★416 rev

Newest

by launch date

INNOPURE Bioactive Vitamin B Complex with L-Methylfolate + Inositol and Choline Clean Label (Pure-Fill) High Strength Methylated B Vitamins 1 Capsule per Day 60 Capsules

INNOPURE£12.941,143 rev

1y ago

Royal Oak Health Balanced Methylated Vitamin B Complex with P5P Choline & PABA | High Strength Complete Spectrum B Vitamins for Men & Women B1 B2 B3 B5 B6 B7 B12 Inositol Folic Acid & Biotin

Royal Oak Health£14.0735 rev

3y ago

Vitamin B Complex High Strength Methylated B Vitamins | B6 Vitamins with Folate & B12 Supplements | Complete Complex with 12 Active Nutrients | Not Liquid Drops Or Spray | Vitabright

VitaBright£13.73416 rev

4y ago

Igennus Super Vitamin B12 Complex 1000mcg Sublingual 180 Servings Vegan

Igennus Healthcare Nutrition£12.846,638 rev

4y ago

Nutravita Vitamin B Complex High Potency - 1 Full Year Supply - 8 Vitamins B1-B2-B3-B5-B6-B12 Biotin Folic Acid & VIT D3 in 1 High Strength Micro Tablet - Reduction of Tiredness - Made in The UK

Nutravita£11.3810,164 rev

5y ago

What buyers say about methylated b vitamins

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

What buyers love

Vitamin15%

“Good vitamins complex”

Quality-Overall14%

“Excellent product”

Value For Money11%

“Good value for money”

Ease Of Chewing/Swallowing8%

“Small tablets easy to take”

Energy Level6%

“Great energy boost”

Size-Overall6%

“the size is perfect”

Advertised Vs Actual Product5%

“As Described”

Taste-Overall4%

“Great product, tastes really good and easy to absorb under the tongue”

Nutritional Content4%

“effective B12 supplement”

Ease Of Use3%

“Easy to take”

What buyers complain about

Smell15%

“Bad smell”

Taste-Overall7%

“no real taste to it”

Dosage7%

“Dosage is too high”

Side Effects6%

“Very bad side effects, thought I had food poisoning, stomach cramps and loose stools all week”

Quality-Overall5%

“Not the best staff”

Color5%

“The colour is very pale pink”

Solubility4%

“Take a while to dissolve”

Value For Money3%

“Waste of money”

Weight Loss3%

“After only two weeks of trying these I noticed rapid weight gain even though I religiously follow a strict diet, which I concluded was from water retention, to the point that I had to loosen my watch strap and clothing”

Size-Overall2%

“The tablets are very small. yet powerful.”

Common questions

Is methylated b vitamins profitable to sell on Amazon United Kingdom?: The niche generates £87K/yr across 13 tracked products. 90-day search growth is -18.9%. Flapen's verdict: Skip it (41/100).
How competitive is the methylated b vitamins niche?: 10 brands and 13 sellers compete. The top 5 products take 76% of clicks and top 5 brands hold 85% of demand.
What do buyers complain about in methylated b vitamins?: Top complaints mined from reviews: Smell, Taste-Overall, Dosage. The return rate is 0.1%.
When does demand for methylated b vitamins peak?: Demand peaks in Aug–Sep–Oct–Nov; the busiest month runs 9.9× the quietest.
What does it cost to enter the methylated b vitamins niche?: Listings span £7.92–£20.57; the average listing price is £12.19 (sweet spot $15–$100). The average incumbent carries 7,037 reviews — the moat a new listing must climb.