Is mk677 profitable to sell on Amazon United Kingdom?

The niche generates £89K/yr across 3 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -34.4%. Flapen's verdict: Skip it (40/100).

How competitive is the mk677 niche?

3 brands and 4 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in mk677?

Top complaints mined from reviews: Value For Money, Ingredients-Overall, Advertised Vs Actual Product. The return rate is 0.2%.

When does demand for mk677 peak?

Demand peaks in Aug–Sep–Oct–Nov; the busiest month runs 2.1× the quietest.

What does it cost to enter the mk677 niche?

Listings span £14.28–£33.59; the average listing price is £22.51 (sweet spot $15–$100). The average incumbent carries 141 reviews — the moat a new listing must climb.

mk677

Skip it

A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.

Returns

Incredible0.2%

return rate — above 5% kills the launch gate

Quality gap

Incredible3.9★

avg incumbent rating — lower means beatable quality

Avg price

Great£22.51

avg listing price — sweet spot $15–$100

Review moat

Great140.67

avg incumbent reviews — the moat a new listing must climb

Price range

Great£14.28–£33.59

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

Market size

Bad£89K

£89K/yr · 240K searches

Conversion

Bad1.6%

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

Growth

Bad-34.4%

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

Competition

Bad100%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Signals Low Review Barrier Quality Gap Out of Stock

According to Flapen's Amazon United Kingdom niche tracking, mk677 is a £89K/yr Amazon United Kingdom market (240K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Aug–Sep–Oct–Nov. Verdict: Skip it — 40/100.

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

mk677 market data

Units sold / yr: 2K–3K; avg 1,000–1,250/product
Revenue / yr: £45K–£56K; units × avg price
Conversion rate: 1.6%
Avg BSR: #133
Page quality: 0%
Prime: 67%
Sponsored: 67%
Out of stock: 0.0%
Avg brand age: 47 months
Avg seller age: 164 days

Competition & brand share

The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.

Brands

3 flat

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

100%

Top 20: 100%

Open market

Insynergy Labs80%
Natural Answers13%
Generic7%

Demand & seasonality

Weekly Amazon search volume, last 63 weeks — -34.4% search growth over the last 90 days.

Peak months: Aug, Sep, Oct, Nov · busiest ÷ quietest = 2.1×

Open Trend

Top mk677 search terms

mk67762K/yr -32.3%2.0% conv.
mk677 ibutamoren80K/yr -57.0%0.5% conv.
human growth hormone33K/yr -15.4%0.1% conv.
mk 67715K/yr +7.5%0.9% conv.
hgh14K/yr -19.7%0.4% conv.
growth hormone for men6K/yr +3.9%0.1% conv.
enclomiphene6K/yr -33.7%0.0% conv.
hgh growth hormone for men5K/yr -17.6%1.4% conv.
growth hormone3K/yr -24.6%0.0% conv.
mk677 growth hormone2K/yr -52.2%1.2% conv.

All search terms

Top mk677 products on Amazon

All 3 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

MK-Peptides 677 100% Natural Formula Supplement for Men Normal Muscle Function Energy Recovery High-Purity Arginine Maca Ashwagandha Ornithine Lysine Glutamine Glycine 120 Vegan Capsules

Insynergy Labs£33.593.8★102 rev

180 Super HGH Vegan Capsules - (3 Months Supply) 9-in-1 HGH Complex with Vitamin B6 and Tribulus Terrestris Extract - Made in the UK

Natural Answers£14.284.0★320 rev

MK-677- Strength and Health Improvement Built for Training Routines & Active Lifestyles

Generic£19.650.0★0 rev

Newest

by launch date

MK-677- Strength and Health Improvement Built for Training Routines & Active Lifestyles

Generic£19.650 rev

2mo ago

MK-Peptides 677 100% Natural Formula Supplement for Men Normal Muscle Function Energy Recovery High-Purity Arginine Maca Ashwagandha Ornithine Lysine Glutamine Glycine 120 Vegan Capsules

Insynergy Labs£33.59102 rev

1y ago

180 Super HGH Vegan Capsules - (3 Months Supply) 9-in-1 HGH Complex with Vitamin B6 and Tribulus Terrestris Extract - Made in the UK

Natural Answers£14.28320 rev

8y ago

What buyers say about mk677

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

What buyers love

Dosage20%

“I take it twice a day”

Advertised Vs Actual Product20%

“As expected”

Visibility20%

“Great Product can see results after a month cycle”

Satisfaction/Pleasure10%

“I am quite satisfied with the results”

Quality-Overall10%

“Good quality”

Locally Manufactured7%

“made in the UK”

Ingredients-Overall7%

“Great price, made in the UK & ingredients that I have been researching”

Value For Money7%

“Great price”

What buyers complain about

Value For Money33%

“A bit pricey”

Ingredients-Overall33%

“Only other ingredients”

Advertised Vs Actual Product17%

“False advertisement and a waste of money do not buy”

Ethical Trade/Fair Trade17%

“Untrusted company that lied to people”

Common questions

Is mk677 profitable to sell on Amazon United Kingdom?: The niche generates £89K/yr across 3 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -34.4%. Flapen's verdict: Skip it (40/100).
How competitive is the mk677 niche?: 3 brands and 4 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in mk677?: Top complaints mined from reviews: Value For Money, Ingredients-Overall, Advertised Vs Actual Product. The return rate is 0.2%.
When does demand for mk677 peak?: Demand peaks in Aug–Sep–Oct–Nov; the busiest month runs 2.1× the quietest.
What does it cost to enter the mk677 niche?: Listings span £14.28–£33.59; the average listing price is £22.51 (sweet spot $15–$100). The average incumbent carries 141 reviews — the moat a new listing must climb.