Name: Optimum Nutrition Extreme Milk Chocolate 100% Whey Protein
Brand: Optimum Nutrition
SKU: 21114
Availability: InStock
Rating: 55 (1 reviews)

Contaminants

Arsenic
5 risks
0.16 ug/serving

Arsenic is a naturally occurring metalloid known for its toxicity and carcinogenic properties. The health guideline is on the very strict OEHHA basis, not EPA.

Cadmium
5 risks
0.24 ug/serving

Cadmium is a heavy metal element that occurs naturally but can accumulate via industrial pollution. It is toxic to humans with no biological function.

Lead
6 risks
0.27 ug/serving

Heavy metal element with no biological function, toxic to multiple organ systems.

Ingredients & minerals

Acesulfame Potassium

Potential gastrointestinal discomfort at high doses, possible concerns over chronic toxicity though regulatory bodies consider it safe at typical use levels

Sucralose

Potential gut microbiota alteration, possible ingestion-related toxicity concerns at high doses

Natural and Artificial Flavors

Lack of transparency in composition, may contain solvents or preservatives, ultra-processed, potential allergen or irritant, no nutritional value

Organic Cocoa Powder Processed with Alkali

Improved flavor and color stability in food products

Aminogen

May improve protein digestion, possible increase in amino acid absorption

Whey Protein Concentrate

High-quality protein source, supports muscle protein synthesis, provides essential amino acids

Lecithin

Effective emulsifier, aids in texture and consistency of food products

Product details

Packaging

Plastic

Sources

Consumer Reports Protein Powders Lead Test Results October 2025