fiber
Skip itA small market ($5K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Avg price
Incredible$31.42avg listing price — sweet spot $15–$100
Price range
Great$10.77–$65.39cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Good4.6%search→purchase rate — share of searches ending in a sale
Growth
Bad-3.0%90-day search growth — must beat 0% to launch
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Review moat
Bad7,166.8avg incumbent reviews — the moat a new listing must climb
Competition
Bad77%top-5 click share — a locked-up shelf
Brand share
Bad94%top-5 brand share — brand-locked demand
Market size
Bad$5K$5K/yr · 3K searches
According to Flapen's Amazon Singapore niche tracking, fiber is a $5K/yr Amazon Singapore market (3K searches/yr). The top 5 brands hold 94% of demand. Verdict: Skip it — 36/100.
Data updated Jul 24, 2026 · scored weekly · How we score niches
fiber market data
- Units sold / yr
- 100–250
- avg 0–100/product
- Revenue / yr
- $3K–$8K
- units × avg price
- Conversion rate
- 4.6%
- Avg BSR
- #65
- Page quality
- 0%
- Prime
- 90%
- Sponsored
- 20%
- Out of stock
- 4.8%
- Avg brand age
- 104 months
- Avg seller age
- 0 days
Competition & brand share
The top 5 products capture 77% of clicks — a locked-up shelf that new listings rarely crack.Brands
6 falling
Sellers
17
Top-5 brand share
94%
Top 20: 100%
Top-5 click share
77%
Top 20: 100%
Open market
0%
- Now Foods41%
- Fybogel18%
- Swanson13%
- Metamucil12%
- VITAFUSION10%
- THORNE6%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -3.0% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.6×
Top fiber search terms
- fiber2K/yr
- fiber supplement1K/yr
- fibre757/yr
Top fiber 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 10 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
NOW Supplements Psyllium Husk Caps 500 mg Non-GMO Project Verified Natural Soluble Fiber Intestinal Health 500 Veg Capsules
Now Foods$26.634.6★14,183 rev
Swanson Tri-Fiber Complex 100 Caps Support Bowel Regularity Healthy Cholesterol Blood Sugar
Swanson$15.834.4★648 rev
Fybogel Orange Natural Fibre Drink 10s
Fybogel$10.775.0★3 rev
Vitafusion Fiber Well Gummy Vitamins 90 ct
VITAFUSION$17.394.6★20,662 rev
Now Foods Prebiotic Fiber with Fibersol-2 340g
Now Foods$22.034.6★812 rev
Newest
by launch dateFybogel Orange Natural Fibre Drink 10s
Fybogel$10.773 rev
Now Foods Prebiotic Fiber with Fibersol-2 340g
Now Foods$22.03812 rev
Thorne Research OTC Fibermend 11.6 Ounce
THORNE$65.391,206 rev
Swanson Tri-Fiber Complex 100 Caps Support Bowel Regularity Healthy Cholesterol Blood Sugar
Swanson$15.83648 rev
NOW Supplements Psyllium Husk Caps 500 mg Non-GMO Project Verified Natural Soluble Fiber Intestinal Health 500 Veg Capsules
Now Foods$26.6314,183 rev
Trending
90-day click momentumSwanson Tri-Fiber Complex 100 Caps Support Bowel Regularity Healthy Cholesterol Blood Sugar
Swanson$15.834.4★
NOW Supplements Whole Psyllium Husks Non-GMO Project Verified Soluble Fiber 24-Ounce
Now Foods$24.704.7★
NOW Supplements Psyllium Husk Caps 500 mg Non-GMO Project Verified Natural Soluble Fiber Intestinal Health 500 Veg Capsules
Now Foods$26.634.6★
Metamucil Fiber 4-in-1 Psyllium Fiber Supplement Sugar-Free Powder Orange Smooth Flavored Drink 114 Servings (Packaging May Vary)
Metamucil$53.374.7★
Vitafusion Fiber Well Gummy Vitamins 90 ct
VITAFUSION$17.394.6★
What buyers say about fiber
What buyers praise and complain about, mined from review topics.What buyers love
“Good deal”
Common questions
- Is fiber profitable to sell on Amazon Singapore?
- The niche generates $5K/yr across 10 tracked products. 90-day search growth is -3.0%. Flapen's verdict: Skip it (36/100).
- How competitive is the fiber niche?
- 6 brands and 17 sellers compete. The top 5 products take 77% of clicks and top 5 brands hold 94% of demand.
- When does demand for fiber peak?
- Demand is steady year-round — the busiest month runs 1.6× the quietest.
- What does it cost to enter the fiber niche?
- Listings span $10.77–$65.39; the average listing price is $31.42 (sweet spot $15–$100). The average incumbent carries 7,167 reviews — the moat a new listing must climb.