Common questions

Is ProSource Plus Protein Supplement Unflavored 30 oz Bottle healthy?

ProSource Plus Protein Supplement Unflavored 30 oz Bottle scores 68/100 on Scout's independent analysis of ingredients, additives, and lab results — a fair-to-good score — solid, with tradeoffs. This protein supplement features high-quality protein sources like collagen hydrolyzate and whey isolate, which are beneficial for muscle repair and joint health.

How processed is ProSource Plus Protein Supplement Unflavored 30 oz Bottle?

ProSource Plus Protein Supplement Unflavored 30 oz Bottle is NOVA Group 3: Processed Foods.

Which ingredients drive ProSource Plus Protein Supplement Unflavored 30 oz Bottle's score?

In Scout's ingredient-by-ingredient analysis, Protein from Collagen Hydrolyzate, Whey Isolate, L-Tryptophan count in its favor; Natural Flavors, Phosphoric Acid, Sodium Phosphate are flagged as ingredients of concern. The full breakdown, with why each one matters, is in the Key ingredients section on this page.

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ProSource Plus Protein Supplement Unflavored 30 oz Bottle

Fair

Analysis updated June 2026 · How Scout scores

$137.97 · 30 oz · 4 count · $1.15 / fluid ounce

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At a glance

Beneficial ingredients 3

Harmful ingredients 3

Category Protein Powders

Summary

This protein supplement features high-quality protein sources like collagen hydrolyzate and whey isolate, which are beneficial for muscle repair and joint health. The inclusion of L-Tryptophan adds value for mood regulation and sleep quality. However, the presence of natural flavors, which can obscure the transparency of the ingredient list, slightly detracts from the overall formulation quality.

Key ingredients 8

Whey Isolate

Very Good

Whey isolate is a high-quality protein source that aids muscle recovery and supports overall nutrition.

Protein from Collagen Hydrolyzate

Good

Collagen hydrolyzate provides beneficial amino acids that support skin, joint, and connective tissue health.

L-Tryptophan

Good

L-Tryptophan is an amino acid that supports mood regulation and sleep quality as part of a balanced diet.

Purified Water

Neutral

Purified water is essential for hydration and serves as a base for the supplement without adding any nutritional concerns.

See more about Purified Water →

Tartaric Acid

Neutral

Tartaric acid helps control pH and flavor, and is generally recognized as safe in food products.

See more about Tartaric Acid →

Natural Flavors

Bad

Umbrella term that can hide dozens of undisclosed synthetic constituents.

See more about Natural Flavors →

Phosphoric Acid

Bad

Processed additive flagged under Scout's ingredient doctrine.

See more about Phosphoric Acid →

Sodium Phosphate

Bad

Processed additive flagged under Scout's ingredient doctrine.

See more about Sodium Phosphate →

Processing

Group 3 · Processed

Processed Foods

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Amazon pricing & content

Amazon price as of Oct 10, 2026, 1:49 AM PDT. Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.

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