Bulletproof Unflavored Collagen Peptides Powder 42.3 Ounces Grass-Fed Collagen Protein and Amino Acids for Skin Bone and Joint Support Pasture Raised No Added Hormones

Common questions

Is Bulletproof Unflavored Collagen Peptides Powder 42.3 Ounces Grass-Fed Collagen Protein and Amino Acids for Skin Bone and Joint Support Pasture Raised No Added Hormones healthy?

Bulletproof Unflavored Collagen Peptides Powder 42.3 Ounces Grass-Fed Collagen Protein and Amino Acids for Skin Bone and Joint Support Pasture Raised No Added Hormones scores 81/100 on Scout's independent analysis of ingredients, additives, and lab results — a fair-to-good score — solid, with tradeoffs. This collagen peptide powder is derived from grass-fed sources, providing high-quality protein and amino acids beneficial for skin, bone, and joint support.

How processed is Bulletproof Unflavored Collagen Peptides Powder 42.3 Ounces Grass-Fed Collagen Protein and Amino Acids for Skin Bone and Joint Support Pasture Raised No Added Hormones?

Bulletproof Unflavored Collagen Peptides Powder 42.3 Ounces Grass-Fed Collagen Protein and Amino Acids for Skin Bone and Joint Support Pasture Raised No Added Hormones is NOVA Group 4: Ultra-Processed Foods.

Which ingredients drive Bulletproof Unflavored Collagen Peptides Powder 42.3 Ounces Grass-Fed Collagen Protein and Amino Acids for Skin Bone and Joint Support Pasture Raised No Added Hormones' score?

In Scout's ingredient-by-ingredient analysis, Glycine counts in its favor. The full breakdown, with why each one matters, is in the Key ingredients section on this page.

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Bulletproof Unflavored Collagen Peptides Powder 42.3 Ounces Grass-Fed Collagen Protein and Amino Acids for Skin Bone and Joint Support Pasture Raised No Added Hormones

Bulletproof
81 Good

Analysis updated July 2026 · How Scout scores

$88.88 · 42.3 oz · $2.10 / ounce
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At a glance

Beneficial ingredients 1
Harmful ingredients 0
Owned by Bulletproof 360
Category Collagen
Summary

This collagen peptide powder is derived from grass-fed sources, providing high-quality protein and amino acids beneficial for skin, bone, and joint support. The product is free from artificial additives and hormones, which enhances its formulation quality. Although it contains a few additives, they are not harmful, and the overall ingredient quality is high, making it a strong choice within its category.

Key ingredients 18

Glycine
Good

Beneficial ingredient — whole-food or functional value in this product class.

Benefits

Glycine supports collagen synthesis and may improve sleep quality.

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Alanine
Neutral

Alanine is a non-essential amino acid that plays a role in protein synthesis. It is naturally present in many protein-rich foods and supplements. No significant processing concerns are associated with alanine in this product.

Benefits

Alanine supports muscle metabolism and immune system function.

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Arginine
Neutral

Arginine is a semi-essential amino acid important for nitric oxide production and blood flow. It is commonly included in supplements for its potential cardiovascular benefits. The ingredient is naturally derived and not associated with harmful processing.

Risks

Excessive intake may lead to gastrointestinal discomfort.

Benefits

Arginine may improve circulation and support cardiovascular health.

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Aspartic Acid
Neutral

Aspartic acid is a non-essential amino acid involved in hormone production and nervous system function. It is naturally found in protein-rich foods. The ingredient is not linked to any harmful processing methods.

Benefits

Aspartic acid supports hormone regulation and neurotransmitter function.

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Glutamic Acid
Neutral

Glutamic acid is a non-essential amino acid that plays a role in protein metabolism and neurotransmitter function. It is naturally present in many foods and supplements. The ingredient is not associated with harmful processing.

Benefits

Glutamic acid supports brain function and protein metabolism.

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Histidine
Neutral

Histidine is an essential amino acid important for growth and tissue repair. It is naturally found in protein-rich foods and supplements. The ingredient is not associated with harmful processing.

Benefits

Histidine supports tissue growth and repair.

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Hydroxyproline
Neutral

Hydroxyproline is a non-essential amino acid derived from proline, important for collagen stability. It is naturally present in collagen-rich foods and supplements. The ingredient is not linked to harmful processing.

Benefits

Hydroxyproline supports collagen stability and skin health.

Isoleucine
Neutral

Isoleucine is an essential branched-chain amino acid (BCAA) important for muscle repair and energy production. It is naturally found in protein-rich foods and supplements. The ingredient is not associated with harmful processing.

Benefits

Isoleucine supports muscle repair and energy production.

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Leucine
Neutral

Leucine is an essential BCAA that plays a critical role in muscle protein synthesis. It is naturally present in many protein-rich foods and supplements. The ingredient is not linked to harmful processing.

Benefits

Leucine is crucial for muscle growth and repair.

Lysine
Neutral

Lysine is an essential amino acid necessary for protein synthesis and calcium absorption. It is naturally found in protein-rich foods and supplements. The ingredient is not associated with harmful processing.

Benefits

Lysine supports protein synthesis and calcium absorption.

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Methionine
Neutral

Methionine is an essential amino acid important for metabolism and detoxification. It is naturally present in protein-rich foods and supplements. The ingredient is not linked to harmful processing.

Risks

Excessive intake may lead to elevated homocysteine levels.

Benefits

Methionine supports metabolism and detoxification.

Phenylalanine
Neutral

Phenylalanine is an essential amino acid involved in neurotransmitter production. It is naturally found in protein-rich foods and supplements. The ingredient is not associated with harmful processing.

Risks

Individuals with phenylketonuria (PKU) should avoid phenylalanine.

Benefits

Phenylalanine supports neurotransmitter production and mood regulation.

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Proline
Neutral

Proline is a non-essential amino acid important for collagen production and skin health. It is naturally present in collagen-rich foods and supplements. The ingredient is not linked to harmful processing.

Benefits

Proline supports collagen production and skin health.

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Serine
Neutral

Serine is a non-essential amino acid involved in protein synthesis and metabolism. It is naturally found in protein-rich foods and supplements. The ingredient is not associated with harmful processing.

Benefits

Serine supports protein synthesis and metabolism.

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Threonine
Neutral

Threonine is an essential amino acid necessary for protein synthesis and immune function. It is naturally present in protein-rich foods and supplements. The ingredient is not linked to harmful processing.

Benefits

Threonine supports protein synthesis and immune function.

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Tryptophan
Neutral

Tryptophan is an essential amino acid involved in serotonin production and mood regulation. It is naturally found in protein-rich foods and supplements. The ingredient is not associated with harmful processing.

Benefits

Tryptophan supports serotonin production and mood regulation.

Tyrosine
Neutral

Tyrosine is a non-essential amino acid important for neurotransmitter production and stress response. It is naturally present in protein-rich foods and supplements. The ingredient is not linked to harmful processing.

Benefits

Tyrosine supports neurotransmitter production and stress response.

Valine
Neutral

Valine is an essential BCAA that plays a role in muscle repair and energy production. It is naturally found in protein-rich foods and supplements. The ingredient is not associated with harmful processing.

Benefits

Valine supports muscle repair and energy production.

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Processing

Group 4 · Ultra-processed

Ultra-Processed Foods

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