dmg
Worth a lookShows low returns (0.1%), but a small market ($69K/yr) keeps it on the watch list.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Avg price
Incredible$30.12avg listing price — sweet spot $15–$100
Conversion
Great11.0%search→purchase rate — share of searches ending in a sale
Price range
Great$8.79–$78.56cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Great256.31avg incumbent reviews — the moat a new listing must climb
Competition
Okay65%top-5 click share — leaders hold, buyers still browse
Brand share
Okay85%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Growth
Bad-3.8%90-day search growth — must beat 0% to launch
Market size
Bad$69K$69K/yr · 21K searches
According to Flapen's Amazon United States niche tracking, dmg is a $69K/yr Amazon United States market (21K searches/yr). The top 5 brands hold 85% of demand. Verdict: Worth a look — 50/100.
Data updated Jul 28, 2026 · scored weekly · How we score niches
dmg market data
- Units sold / yr
- 2K–3K
- avg 100–250/product
- Revenue / yr
- $60K–$75K
- units × avg price
- Conversion rate
- 11.0%
- Avg BSR
- #7,473
- Page quality
- 0%
- Prime
- 94%
- Sponsored
- 63%
- Out of stock
- 5.3%
- Avg brand age
- 111 months
- Avg seller age
- 172 days
Competition & brand share
The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.Brands
9 falling
Sellers
23
Top-5 brand share
85%
Top 20: 100%
Top-5 click share
65%
Top 20: 100%
Open market
10%
- NOW Foods37%
- BulkSupplements16%
- DAVINCI14%
- Zahler12%
- Kirkman7%
- Best Naturals5%
- Open — no brand owns it (3 brands, 10%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -3.8% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Top dmg 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 16 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
NOW Foods Supplements DMG (N-Dimethyl Glycine) 125 mg Nutritional Support 100 Veg Capsules
NOW Foods$9.324.4★139 rev

Zahler DMG 500mg - DMG Dimethylglycine Supplement for Endurance & Immune System Support - DMG Supplements with Amino Acid Glycine - Nootropic Brain Supplement - Kosher 1 a Day Tablets 90 Count
Zahler$33.994.6★372 rev

Now Foods - DMG 125 mg 100 caps (Pack of 3)
NOW Foods$26.844.7★416 rev

BulkSupplements.com DMG HCl Capsules - N N-Dimethylglycine HCl Glycine Supplements - Gluten Free 1 Capsule per Serving (150mg) 365 Count (Pack of 1)
BulkSupplements$19.104.8★37 rev

DAVINCI Labs Gluconic DMG Liquid 300mg - Helps Support Immune System Muscle Function Heart Health & Brain Health* - 2 fl oz (60 Servings)
DAVINCI$53.614.7★98 rev
Newest
by launch date
BulkSupplements.com DMG HCl Capsules - N N-Dimethylglycine HCl Glycine Supplements - Gluten Free 1 Capsule per Serving (150mg) 365 Count (Pack of 1)
BulkSupplements$19.1037 rev

Carlyle DMG N-Dimethylglycine 150 mg | 180 Capsules
Carlyle$14.04103 rev

DAVINCI Labs Gluconic DMG 250mg - Helps Support Immune System Muscle Function Heart Health & Brain Health - 90 Chewable Tablets (90 Servings)
DAVINCI$65.3436 rev

Kirkman - DMG (Dimethylglycine) 300 mg - 120 Capsules - High Potency - Supports Methylation - Hypoallergenic
Kirkman$37.27105 rev

Best Naturals DMG 125 mg 120 Capsules (120 Count (Pack of 2))
Best Naturals$15.8219 rev
Trending
90-day click momentum
NOW Foods Supplements DMG (N-Dimethyl Glycine) 125 mg Nutritional Support 100 Veg Capsules
NOW Foods$9.324.4★

Zahler DMG 500mg - DMG Dimethylglycine Supplement for Endurance & Immune System Support - DMG Supplements with Amino Acid Glycine - Nootropic Brain Supplement - Kosher 1 a Day Tablets 90 Count
Zahler$33.994.6★

DAVINCI Labs Gluconic DMG Liquid 300mg - Helps Support Immune System Muscle Function Heart Health & Brain Health* - 2 fl oz (60 Servings)
DAVINCI$53.614.7★

DAVINCI Labs Aller-DMG Chewable - Immune Health Support Histamine Aid & Respiratory Support* - Orange Cream Flavor - 120 Chewable Vegetarian Tablets (60 Servings)
DAVINCI$54.624.3★

VetriScience DMG Immunity Health Easy-Dose Liquid Immune Support Supplement for Dogs and Cats Hypoallergenic Support Performance Stamina Immune Response (Dimethylglycine) 114 ml
VETRISCIENCE$25.564.4★
What buyers say about dmg
What buyers praise and complain about, mined from review topics.What buyers love
“Good supplement”
“feel like this is a great value for your money since you get enough for a whole year”
“I don't mind the taste of these capsules”
“Helps mental organization, energy, wake-up & fall asleep effortlessly. take it on first pee & 20 minutes before want to sleep., and stops my compulsion to chew on the inside of my lower lip, like my mom always did if I take a third one in the early evening when the mysterious compulsion begins”
“Helps mental organization, energy, wake-up & fall asleep effortlessly. take it on first pee & 20 minutes before want to sleep., and stops my compulsion to chew on the inside of my lower lip, like my mom always did if I take a third one in the early evening when the mysterious compulsion begins”
“Helps mental organization, energy, wake-up & fall asleep effortlessly. take it on first pee & 20 minutes before want to sleep., and stops my compulsion to chew on the inside of my lower lip, like my mom always did if I take a third one in the early evening when the mysterious compulsion begins”
“I've taken these for MANY years - morning”
“I like that it comes in such a huge bottle with so many servings”
Top return reasons
Common questions
- Is dmg profitable to sell on Amazon United States?
- The niche generates $69K/yr across 16 tracked products. 90-day search growth is -3.8%. Flapen's verdict: Worth a look (50/100).
- How competitive is the dmg niche?
- 9 brands and 23 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 85% of demand.
- When does demand for dmg peak?
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- What does it cost to enter the dmg niche?
- Listings span $8.79–$78.56; the average listing price is $30.12 (sweet spot $15–$100). The average incumbent carries 256 reviews — the moat a new listing must climb.