Decision summary

CONSIDERAVERAGE

A middling option. It may be usable, but weaker formulation coherence makes better alternatives worth comparing.

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Best for

Buyers comparing price and availability and okay with a middle-of-the-pack option.

Consider another option if

You want one of the best-absorbed options in this category.

Multi-ingredient formulation analysis

Dose 6.6/10 · Bioavailability 3.7/10 · Coherence 0/10

Ingredient form quality suggests suboptimal ingredient forms.

This is a multi-ingredient product. The score reflects formulation quality, not efficacy for a specific health goal.

Score summary

Glycine: high-bioavailability form declared (Glycine). The main limitation is that formula coherence is weak: diluted, decorative or overly complex.

Strengths

Glycine: high-bioavailability form declared (Glycine)

Weaknesses

Formula coherence is weak: diluted, decorative or overly complex

Glycine: below clinically studied range

Final verdict

A middling option. It may be usable, but weaker formulation coherence makes better alternatives worth comparing.

Ingredient Analysis & Evidence

A closer look at the main ingredients, how they influence the score, and the supporting evidence when available. Tap any ingredient to expand.

ℹ At the minimum effective range, but below the optimal dose with moderate supporting evidence

Dose meets the minimum effective range, but is below the optimal dose used for stronger effects. Supports the formula, but not a major driver: Dose is directionally useful, but not a standout strength. The declared form supports strong absorption.

Scientific evidence

Meta-analysis

Jongkees et al. meta-analysis tyrosine and cognitive performance under stress

Neuroscience & Biobehavioral Reviews • 2015

PMID: 25797858.0

RCT

Banderet & Lieberman RCT tyrosine and cognitive performance under stress

Brain Research Bulletin • 1989

PMID: 2736402.0

⚠ Dose is below commonly used clinical ranges

Dose is below the minimum effective threshold. A clear drag on the formula: Dose is likely below clinically useful levels.

Clinical dosing guidance

Based on established dosing ranges used in clinical practice.

Min effective: 3000 mgOptimal: 6000 mgUpper: 12000 mgGrade: B

⚠ Moderate evidence exists, but dose is below effective threshold

Dose is below the minimum effective threshold. One of the weaker points: Dose is likely below clinically useful levels. The declared form supports strong absorption.

Scientific evidence

RCT

Bannai et al. RCT glycine supplementation and sleep quality

Sleep and Biological Rhythms • 2012

PMID: 22529837.0

Evidence inferred from established knowledge, not directly linked studies

Adequate, but not a key strength: Clinical dosing guidance is limited for this ingredient. The declared form supports strong absorption.

No supporting studies or dosing references are currently available for this ingredient.

Evidence inferred from established knowledge, not directly linked studies

Supports the formula, but not a major driver: Clinical dosing guidance is limited for this ingredient.

No supporting studies or dosing references are currently available for this ingredient.

Evidence inferred from established knowledge, not directly linked studies

Supports the formula, but not a major driver: Clinical dosing guidance is limited for this ingredient.

No supporting studies or dosing references are currently available for this ingredient.

NAKED Pea - 5LB 100% Pea Protein Powder from North American Farms - Unflavored Vegan Pea Protein Isolate - NSF Certified, Plant Protein Powder, Easy to Digest - 76 Servings

6.6/10

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Warnings & notes

Important label or formulation details that may affect how this product should be interpreted.

⚠

Formula design looks less coherent than stronger alternatives

The formulation appears less focused than better-built options.

Note

!

Glycine dose looks below clinically effective levels

Declared amount falls below ranges used in human trials.

Warning

Methodology

Read our methodology overview to understand how SuppScoreLab combines multiple scientific dimensions into one practical score.

View methodology →

This evaluation is based on the product label and declared Supplement Facts available at review time. It does not verify laboratory-tested composition, purity, or batch-level quality. This content is educational and not medical advice. Consult a qualified healthcare professional for personal health decisions. Affiliate disclosure: SuppScoreLab may earn a commission from qualifying Amazon links.

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