smart protein blend for thyroid
Worth a lookShows low returns (0.1%), but a small market ($32K/yr) keeps it on the watch list.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Brand share
Great56%top-5 brand share — no brand owns this niche
Avg price
Good£13.75avg listing price — sweet spot $15–$100
Price range
Good£5.87–£30.73cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Good48%top-5 click share — leaders hold, buyers still browse
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Conversion
Okay3.9%search→purchase rate — share of searches ending in a sale
Review moat
Okay1,727.73avg incumbent reviews — the moat a new listing must climb
Growth
Okay+8.3%90-day search growth — must beat 0% to launch
Market size
Bad£32K£32K/yr · 59K searches
According to Flapen's Amazon United Kingdom niche tracking, smart protein blend for thyroid is a £32K/yr Amazon United Kingdom market (59K searches/yr). The top 5 brands hold 56% of demand. Verdict: Worth a look — 53/100.
Data updated Jul 24, 2026 · scored weekly · How we score niches
smart protein blend for thyroid market data
- Units sold / yr
- 2K–3K
- avg 0–100/product
- Revenue / yr
- £28K–£34K
- units × avg price
- Conversion rate
- 3.9%
- Avg BSR
- #62
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 86%
- Out of stock
- 2.5%
- Avg brand age
- 53 months
- Avg seller age
- 181 days
Competition & brand share
The top 5 products take 48% of clicks — established leaders, but buyers still shop beyond them.Brands
18 rising
Sellers
35
Top-5 brand share
56%
Top 20: 100%
Top-5 click share
48%
Top 20: 98%
Open market
37%
- Royal Oak Health17%
- G&G Vitamins14%
- swiss bioenergetics9%
- Insynergy Labs8%
- Horbäach8%
- NutriMali7%
Demand
Weekly Amazon search volume, last 13 weeks — +8.3% search growth over the last 90 days.Top smart protein blend for thyroid search terms
- smart protein blend amino acids for thyroid23K/yr
- greenleaf blends smart protein blend amino acids for thyroid15K/yr
- amino acid supplements for thyroid8K/yr
- amino acids for thyroid health3K/yr
- smart protein blend7K/yr
- green leaf smart protein blend amino acids3K/yr
Top smart protein blend for thyroid 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 22 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Royal Oak Health Full Spectrum Amino Acid Complex | Complete with All 20 EAA & BCAAs in Free Form for Instant Digestion | Essential & Branch Chain Amino Acids Supplement | 60 Vegan Capsules | UK Made
Royal Oak Health£14.044.2★63 rev
Thyroid Support Complex Thyroid Pro (15 Ingredients) for Women and Men Energy Focus Tiredness & Fatigue L tyrosine ashwagandha Vitamin B12 60 Vegan Capsules Thyroid Supplement
Insynergy Labs£15.824.3★87 rev
Amino Acid Supplement | Full Spectrum Complex | All BCAA & EAA Including Lysine & Arginine | All 20 Amino Acids | Free Form & Vegan | by Horbaach
Horbäach£8.384.6★54 rev
Full Spectrum Amino Acids Capsules - EAA BCAA - Free Form Amino Acids - 120 Vegan Capsules - Non-GMO Made in the UK by G&G Vitamins
G&G Vitamins£11.214.5★266 rev
Amino Acid Supplements Full Spectrum All BCAA EAA + Vitamin C & Botanical Blend High Strength Free Form 60 Vegan Capsules | By NutriMali
NutriMali£10.514.3★17 rev
Newest
by launch dateAmino Acid Supplements Full Spectrum All BCAA EAA + Vitamin C & Botanical Blend High Strength Free Form 60 Vegan Capsules | By NutriMali
NutriMali£10.5117 rev
Thyroid Support for Women and Men with Iodine - Energy Focus & Power Thyroid Supplement - All Natural Herbal Mineral and Vitamin Complex with B12 Zinc Selenium Ashwagandha - 60 Vegetarian Capsules
ForestLeaf£19.301,286 rev
Amino Acid Supplement | Full Spectrum Complex | All BCAA & EAA Including Lysine & Arginine | All 20 Amino Acids | Free Form & Vegan | by Horbaach
Horbäach£8.3854 rev
L-Tyrosine Supplement 1100mg - Free Form Amino Acid - 120 Vegan Capsules - Fermented High Strength L Tyrosine Supplement - No Artificial Preservatives
NEW LEAF PRODUCTS£8.18133 rev
Royal Oak Health Full Spectrum Amino Acid Complex | Complete with All 20 EAA & BCAAs in Free Form for Instant Digestion | Essential & Branch Chain Amino Acids Supplement | 60 Vegan Capsules | UK Made
Royal Oak Health£14.0463 rev
Trending
90-day click momentumThyroid Support for Women and Men with Iodine - Energy Focus & Power Thyroid Supplement - All Natural Herbal Mineral and Vitamin Complex with B12 Zinc Selenium Ashwagandha - 60 Vegetarian Capsules
ForestLeaf£19.304.4★
Natures Aid L-Lysine 1000mg High Strength Essential Amino Acid Supports Immune System Muscle Recovery Collagen Bone Health & Energy Vegan Gluten-Free - 60 Tablets
Natures Aid£5.874.5★
Thyroid Support Supplement for Women - 90 Vegan Capsules - Advanced Complex with 13 Ingredients Including Iodine Magnesium Vitamin B12 L-Tyrosine Schizandra & Cayenne - Zhou
ZHOU£12.264.3★
L-Tyrosine Supplement 1100mg - Free Form Amino Acid - 120 Vegan Capsules - Fermented High Strength L Tyrosine Supplement - No Artificial Preservatives
NEW LEAF PRODUCTS£8.184.5★
WeightWorld BCAA Tablets 2000mg - 180 Tablets - Key Amino Acids (L-Leucine L-Valine & L-Isoleucine) - with Vitamin B6 & B12-3 Months Supply - Vegan BCAA Supplement for Men & Women - Vegan & Non-GMO
WeightWorld£11.194.5★
What buyers say about smart protein blend for thyroid
What buyers praise and complain about, mined from review topics.What buyers love
“On paper these are very good”
“my energy levels have improved massively”
“Well worth the value”
“Helps combat Coldsores”
“didn't cause any issues in swallowing”
“As described and arrived on time”
“Taste lovely”
“Supports thyroid function excellent product”
“Very effective”
“fits well into my daily routine”
What buyers complain about
“Dosage is high - a lot to swallow”
“It's so small it's hardly worth the effort”
“Taste isnt great”
“headache every time after taking it”
“obviously struggling loose weight”
“keeps goingvup in price as a regular customer think they should do offers on this”
“Didn't help at all”
“Not the best”
“falling asleep after work and not being able to do simple tasks at home due to being that tired and falling asleep”
“It isn't always easy to assess the effectiveness of a supplement that may potentially be beneficial to your well-being”
Common questions
- Is smart protein blend for thyroid profitable to sell on Amazon United Kingdom?
- The niche generates £32K/yr across 22 tracked products. 2 of 4 products launched in the last 360 days are still selling. 90-day search growth is +8.3%. Flapen's verdict: Worth a look (53/100).
- How competitive is the smart protein blend for thyroid niche?
- 18 brands and 35 sellers compete. The top 5 products take 48% of clicks and top 5 brands hold 56% of demand.
- What do buyers complain about in smart protein blend for thyroid?
- Top complaints mined from reviews: Dosage, Size-Overall, Taste-Overall. The return rate is 0.1%.
- What does it cost to enter the smart protein blend for thyroid niche?
- Listings span £5.87–£30.73; the average listing price is £13.75 (sweet spot $15–$100). The average incumbent carries 1,728 reviews — the moat a new listing must climb.