magnesium hydroxide
Worth a lookShows low returns (0.0%), but soft demand (-5.3% this quarter) keeps it on the watch list.
Returns
Incredible0.0%return rate — above 6% kills the launch gate
Avg price
Great$19.79avg listing price — sweet spot $15–$100
Price range
Good$5.77–$38.62cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Good6.0%search→purchase rate — share of searches ending in a sale
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Brand share
Good71%top-5 brand share — brands hold most of the demand
Competition
Okay64%top-5 click share — leaders hold, buyers still browse
Market size
Okay$104K$104K/yr · 87K searches
Review moat
Bad4,270.06avg incumbent reviews — the moat a new listing must climb
Growth
Bad-5.3%90-day search growth — must beat 0% to launch
Competition
The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.Brands
14 falling
Sellers
64
Top-5 brand share
71%
Open market
23%
- BulkSupplements25%
- mGanna15%
- Herbs Botanica14%
- Best Naturals9%
- Dulcolax8%
- Phillips'5%
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 18 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
BulkSupplements.com Magnesium Hydroxide Powder - Magnesium Hydroxide Supplement - Food Grade & Gluten Free 1g per Serving 500g (1.1 lbs) (Pack of 1)
BulkSupplements$18.964.7★1,506 rev

mGanna Magnesium Hydroxide Powder 227 GMS / 0.5 lbs
mGanna$11.444.6★82 rev

Herbs Botanica Magnesium Hydroxide Powder 8 oz Fine Powdered Magnesium for DIY Use Deodorant Toothpaste and Crafting Ozonated Magnesium Oxide Alternative
Herbs Botanica$11.694.5★94 rev

Best Naturals Magnesium Hydroxide Powder - 380mg of Elemental Magnesium per Serving - 454 Servings per Cotainer - 1 Pound
Best Naturals$14.634.6★284 rev

Phillips Milk of Magnesia Liquid Laxative Wild Cherry Flavor Stimulant Free Cramp Free Relief of Occasional Constipation* Effective in 30 minutes - 6 hours #1 Milk of Magnesia Brand 26 oz
Phillips'$8.784.7★12,448 rev
Newest
by launch date
Colace Saline Laxative 60 Capsules Fast Acting Gentle Constipation Relief for Adults Gentle Magnesium Hydroxide Formula Non-Stimulant Laxative Severe Constipation Relief
Colace$21.4559 rev

Magnesium Hydroxide Capsules Gentle Osmotic Digestive Regularity Support Helps Maintain Comfortable Bowel Routine Daily GI Balance for Adults - 120 Capsules
Florvyn$25.611 rev

Herbs Botanica Magnesium Hydroxide Powder 8 oz Fine Powdered Magnesium for DIY Use Deodorant Toothpaste and Crafting Ozonated Magnesium Oxide Alternative
Herbs Botanica$11.6994 rev

Magnesium Hydroxide Capsules Contains 270 mg of Magnesium Relieve Constipation and Indigestion Support Intestinal Motility Gut Health for Women and Men (120 Capsules)
provspro$30.5318 rev

Quicksilver Scientific Magnesium Hydroxide (120 Capsules)
Quicksilver Scientific$38.6211 rev
Trending
90-day click momentum
Colace Saline Laxative 60 Capsules Fast Acting Gentle Constipation Relief for Adults Gentle Magnesium Hydroxide Formula Non-Stimulant Laxative Severe Constipation Relief
Colace$21.454.4★

Herbs Botanica Magnesium Hydroxide Powder 8 oz Fine Powdered Magnesium for DIY Use Deodorant Toothpaste and Crafting Ozonated Magnesium Oxide Alternative
Herbs Botanica$11.694.5★

mGanna Magnesium Hydroxide Powder 227 GMS / 0.5 lbs
mGanna$11.444.6★

BulkSupplements.com Magnesium Hydroxide Powder - Magnesium Hydroxide Supplement - Food Grade & Gluten Free 1g per Serving 100g (3.5 oz) (Pack of 1)
BulkSupplements$13.364.7★

Magnesium Hydroxide Capsules Gentle Osmotic Digestive Regularity Support Helps Maintain Comfortable Bowel Routine Daily GI Balance for Adults - 120 Capsules
Florvyn$25.612.0★
Demand
Weekly Amazon search volume, last 48 weeks — -5.3% search growth over the last 90 days.Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Great taste”
“Works perfectly”
“As advertised”
“Easy to use”
“Very effective product”
“Great, smooth digestion”
“Great chews”
“it works quickly to help the stomach with any malaise”
“Great deal”
“Nice flavors and easy to chew”
What buyers complain about
“Never worked”
“Not tasty”
“A little pricey”
“It seems expensive for the dosage”
“For several years constipation has been getting progressively worse, to the point where it can be 5 days and nothing, which then required 3-4 stimulant laxative pills and a lot of effort to get things moving”
“Weird texture”
“I did not have great ease in swallowing it”
“Smell is weird”
“Not quite as described”
“I got a stomach ache”