Naked Nutrition Vegan Mass Gainer Vanilla
Summary
Naked Nutrition Vegan Mass Gainer Vanilla scores 32/100. The formula is genuinely the cleanest possible — three ingredients, no artificial sweeteners, no flavors, no gums, no additives. But independent third-party lab testing (Consumer Reports, January 2024) detected 7.70 mcg lead per serving — the HIGHEST lead reading among all 23 protein products in the survey. Cadmium 3.45 mcg and arsenic 2.41 mcg also detected. Likely contamination route: pea + brown rice protein agricultural feedstock (both crops are well-documented heavy-metal accumulators). Mass-gainer users typically consume multiple servings per day. Owned by Naked Nutrition.
At a glance
Contaminants 4
Source: Consumer Reports January 2024
Lead 7.70 mcg per serving High
Detected at a high level — at or above health-based exposure limits. Regular exposure at this level is a genuine health concern. No safe level of lead exposure exists per CDC, AAP, and WHO; chronic ingestion is associated with lowered IQ, neurodevelopmental harm, and cardiovascular and kidney effects. Likely source: pea + brown rice protein agricultural feedstock — both crops are well-documented heavy-metal accumulators from soil.
Independent third-party testing.
Cadmium 3.45 mcg per serving High
A high level of cadmium — a significant sourcing/quality concern relative to what clean supply chains achieve.
Independent third-party testing.
Arsenic 2.41 mcg per serving Moderate
Detected at a moderate level — a meaningful fraction of health-based exposure limits. Worth factoring in if this product is used regularly. Arsenic is an IARC Group 1 carcinogen with no safe exposure level. Likely source: brown rice protein — rice is the most well-documented arsenic accumulator in food crops.
Consumer Reports January 2024 detected 2.41 mcg arsenic per serving.
Mercury not detected Not detected
Not detected — below the laboratory's detection limit. This is the strictest possible result: no measurable amount was found.
Consumer Reports January 2024 reported mercury below the lab's threshold of detection — no mercury measurable in this product.
Key ingredients 3
Yellow Pea ProteinNeutral
Plant-based protein that's notably good for a legume but still less bioavailable than whey or other animal-source proteins, meaning more grams are needed to deliver the same usable amino acids for muscle protein synthesis. Naturally low in methionine, so it does not stand alone as a complete protein and is typically blended with rice. Pea crops are also well-documented soil accumulators of lead and cadmium — the suspected primary contamination route in this product.
See more about Yellow Pea Protein →Organic Brown Rice ProteinNeutral
USDA Organic plant protein commonly paired with pea to round out the amino acid profile. On its own, brown rice protein is naturally low in lysine and less bioavailable than whey, so a larger gram dose is required to deliver the same usable amino acids for muscle protein synthesis. Brown rice is also the most well-documented arsenic accumulator in the food supply — the suspected source of arsenic detected here.
See more about Organic Brown Rice Protein →Organic Tapioca MaltodextrinNeutral
Tapioca-derived complex carbohydrate (gluten-free alternative to wheat maltodextrin) used as the carb base for the 1,230-calorie mass-gainer profile. Higher glycemic index than whole-food carb sources, but inherent to the mass-gainer category.
See more about Organic Tapioca Maltodextrin →Processing
Processed Culinary Ingredients
Get the full breakdown in the Scout app
Scan any product to see lab results, healthy alternatives, and your personalized analysis.
Download on theApp Store