epo
Skip it39/100a small market ($123K/yr) — epo doesn't clear our bar today.
Market/yr
$123K
Growth (1y)
+63.9%
Products
17
Brands
15
was 13 a year ago
Sellers
58
Price range
$14.77–$527.67
Returns
0.1%
Rating
4.4★
Skip it
Scored 39/100 across market size, growth, competition, quality gap, and returns.
Demand
Weekly Amazon search volume, last 104 weeks — +63.9% year over year.Seasonality
Monthly demand index across the year — 1.00 is average.No pronounced peak months · busiest ÷ quietest = 1.4×
Competition
- EPO-Boost28%
- VO2-Boost13%
- Inhale12%
- Pure Encapsulations12%
- FIRST ENDURANCE7%
- Novex Biotech6%
- Other (9 brands)23%
The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them. 15 brands and 58 sellers compete here.
Brands
15 rising
was 13 a year ago
Sellers
58
Top 5 brand share
71%
Product shelf
All 17 tracked products in this niche.
EPO-BOOST Natural Blood Builder Iron Supplement. RBC Support Made in USA with Echinacea & Dandelion Root helping VO2 Max Energy Endurance (1-Pack)
EPO-Boost
$52.974.2★888 reviews
VO2-Boost Natural Endurance and Oxygen Supplement to Help VO2 max w/Rhodiola Rosea B12 and Alpha Lipoic Acid (120 Capsules) (30 Day Supply)
VO2-Boost
$41.814.3★212 reviews
Inhale Lung Trainer | Breathing Exercise Device for Lungs | Made in USA | Lung Exerciser Device | Breathing Trainer | Adjustable Resistance | Medical Grade Silicone Mouthpiece | Carrying Case included
Inhale
$19.614.3★2,013 reviews
Pure Encapsulations E.P.O. (Evening Primrose Oil) | Hypoallergenic Dietary Supplement Containing 9% GLA | 100 Softgel Capsules
Pure Encapsulations
$31.884.7★475 reviews
FIRST ENDURANCE OptygenHP - Premium Endurance Supplement | Boost Power | Increase Performance and Endurance | Improves Oxygen Utilization| 120 Capsules
FIRST ENDURANCE
$77.314.7★127 reviews
Novex Biotech Oxydrene NAD+ Enhancer - Natural Supplement Promoting Metabolism and Cardiovascular Support for Men and Women - (60 Capsules)
Novex Biotech
$38.214.4★505 reviews
PrimaForce Peak O2 Workout Supplement 120 Grams - Proprietary Blend Non-GMO Vegan and Gluten Free
Primaforce
$17.104.4★673 reviews
Pure Encapsulations E.P.O. (Evening Primrose Oil) | Hypoallergenic Dietary Supplement Containing 9% GLA | 250 Softgel Capsules
Pure Encapsulations
$69.624.7★475 reviews
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“I've had it for about a year now, good quality, works well”
“found them to be highly effective”
“Low price”
“Worked as advertised”
“It helps a lot holding your breath”
“helps with energy”
“Great supplement”
“Great quality supplement”
“This has helped my muscles recover faster”
“it has helped tremendously with my menstrual comfort”
What buyers complain about
“Didn't work for me”
“Low volume per dose”
“Gave me anemic symtoms”
“Basically a waste of money”
“my stomach dont agree”
“Delivery Instructions not followed”
“my diastolic BP was still just not getting where I wanted it”
“No taste-large”
“is not Halal or Kosher friendly”
“are LONG”
Top return reasons
- Functionality-Overall21%
- Breathability18%
- Size-Overall12%
- Advertised Vs Actual Product9%
- Defective Material/Parts7%
- Comfort-Overall7%
- Ease Of Use5%
- Instructions/User Manual/Troubleshooting4%
- Quality-Overall4%
- Product Condition3%