PricePlow Supplement Price Scraper

Compare supplement prices across dozens of retailers — protein powders, creatine, pre-workouts, BCAAs, fat burners, and more. Powered by PricePlow, the leading supplement price comparison engine.

What It Does

• Search by keyword (e.g. "whey protein", "creatine monohydrate", "ghost legend")
• Browse by category (e.g. protein, creatine, pre-workout, bcaa, fat-burner)
• Browse by brand (e.g. optimum-nutrition, ghost, cellucor, musclepharm)
• Extracts price comparisons from 20+ retailers per product
• Gets serving size, servings per container, and price per serving
• Captures key ingredients from the nutrition facts panel
• Returns the best price and which retailer offers it

Use Cases

• Build a supplement price tracker or deal alert bot
• Research competitive pricing for supplement brands
• Find the cheapest whey protein or creatine per gram
• Monitor price drops across retailers (Amazon, iHerb, Bodybuilding.com, etc.)
• Aggregate supplement data for comparison apps or nutrition tools

Input Parameters

Parameter	Type	Default	Description
mode	search / category / brand	search	How to discover products
query	string	creatine	Search keyword (mode=search)
category	string	—	Category slug, e.g. protein, creatine, pre-workout (mode=category)
brand	string	—	Brand slug, e.g. optimum-nutrition, ghost, cellucor (mode=brand)
limit	integer	5	Max products to scrape (1–1000)
proxyConfiguration	object	residential	Optional proxy config

Category Slugs (mode=category)

Common categories: protein, creatine, pre-workout, bcaa, fat-burner, amino-acids, weight-gainers, glutamine, vitamins, fish-oil

Brand Slugs (mode=brand)

Examples: optimum-nutrition, ghost, cellucor, musclepharm, bsn, dymatize, gaspari-nutrition, universal, core-nutritionals, redcon1

Output Fields

Each item in the dataset contains:

Field	Type	Description
productName	string	Full product name
brand	string	Brand name
category	string	Primary category tag
description	string	Short product description
image	string	Product image URL
productUrl	string	PricePlow product page URL
bestPrice	number	Lowest current price (USD)
bestPriceRetailer	string	Retailer offering the best price
bestPriceFlavor	string	Flavor available at best price
bestPricePerServing	number	Price per serving at best price
servingSize	string	Serving size (e.g. "1 Scoop")
servings	number	Servings per container
pricePerServing	number	Best price divided by servings
retailers	array	All retailers with prices (sorted cheapest first)
retailerCount	number	Number of retailers carrying the product
ingredients	array	Key ingredients with name and amount
rating	number	Product rating if available
reviewCount	number	Number of reviews if available
tags	array	Category/tag labels
breadcrumbs	array	Page breadcrumb path
scrapedAt	string	ISO timestamp

Retailer Object Fields

Each item in retailers array:

Field	Description
retailer	Store name (e.g. "Best Price Nutrition", "iHerb.com")
price	Current price in USD
unitPrice	Price per serving/unit
flavor	Flavor variant
size	Size variant (e.g. "5 lbs")
hasCoupon	Whether a coupon code is available
outUrl	Tracked affiliate link to store

Example Output

{
  "productName": "Optimum Nutrition 100% Whey Protein Gold Standard",
  "brand": "Optimum Nutrition",
  "category": "Protein",
  "description": "Gold Standard Whey uses only premium whey protein isolates as the primary ingredient...",
  "image": "https://www.priceplow.com/static/images/products/optimum-nutrition-100-whey-protein-gold-standard.png",
  "productUrl": "https://www.priceplow.com/optimum-nutrition/100-whey-protein-gold-standard",
  "bestPrice": 54.99,
  "bestPriceRetailer": "iHerb.com",
  "bestPriceFlavor": "Double Rich Chocolate",
  "bestPricePerServing": 1.10,
  "servingSize": "1 Scoop (30.4g)",
  "servings": 74,
  "pricePerServing": 1.10,
  "retailers": [
    { "retailer": "iHerb.com", "price": 54.99, "unitPrice": 1.10, "flavor": "Double Rich Chocolate", "size": "5 lbs", "hasCoupon": false },
    { "retailer": "Amazon", "price": 57.19, "unitPrice": 1.14, "flavor": "Double Rich Chocolate", "size": "5 lbs", "hasCoupon": false },
    { "retailer": "Bodybuilding.com", "price": 59.99, "unitPrice": 1.20, "flavor": "Double Rich Chocolate", "size": "5 lbs", "hasCoupon": true }
  ],
  "retailerCount": 12,
  "ingredients": [
    { "name": "Whey Protein Isolates", "amount": "24g" },
    { "name": "Whey Protein Concentrate", "amount": "included" }
  ],
  "tags": ["Protein", "Whey Protein"],
  "scrapedAt": "2026-04-22T10:00:00.000Z"
}

Notes

• PricePlow is a pure server-rendered site with no anti-bot protection
• Prices are updated daily by PricePlow's tracking system
• Some products may have limited retailer data if they are out of stock everywhere
• Residential proxies are recommended for scraping more than 100 products at a time
• The scraper respects rate limits with ~600ms delays between requests