Custom Amino Acid Base by Metabolic Maintenance — Ingredients, Evidence & Safety

Product Label

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Safety Alerts

ℹ️ Contains proprietary blend — exact ingredient amounts not disclosed

Label Data

1 tsp Serving Size

67 Servings

Other Combinations Product Type

25% Evidence Coverage

Supplement Facts — Evidence Check

Calories

12 {Calories}

Protein

3 Gram(s)

Vitamin B6

5 mg (250% DV)

📊 3.8× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)

RDA 1.3mg This product: 5mg UL 100mg

Proprietary blend

2990 mg

Label Claims — Verification

❓ All Other

All Other (98% of products) Structure/Function (78% of products) Nutrient (56% of products)

Target Groups

Adult (18 - 50 Years)

Product Information

📋 Directions for Use

DIRECTIONS: One (1) teaspoon (3 g) dissolved in water or juice two to three (2-3) times daily as a dietary supplement, or as directed by a Doctor. Best taken between meals.

⚠️ Warnings & Precautions

KEEP OUT OF THE REACH OF CHILDREN.

CAUTION: Phenylketonurics - contains phenylalanine.

Do not take with MAO inhibitors or tricyclic antidepressants. Pregnant or lactating women, consult your healthcare professional before taking this product.

CAUTION: Phenylketonurics - contains phenylalanine.

🧪 Formulation Notes

Excipient-free.

Additional Information

Contains only the active ingredients listed on the label.

STORAGE: Keep tightly closed in a dry place; do not expose to excessive heat.

Manufactured by GMP Certified Facility

#15725A EXP 2/13

V-06

67 servings

Product Details

UPC / SKU 8 38287 00110 2

DSLD Entry Date 2013-08-23

Product Type Other Combinations

Form Powder

Brand Metabolic Maintenance

DSLD ID 24826

Data Updated 2026-04-11

Research Evidence

50 Research Sources

47 Avg Quality Score

28 Rct

13 Clinical Trial

5 Guideline

4 Systematic Review

A Using a Novel Consensus-Based Chemoinformatics Approach to Predict ADMET Properties and Druglikeness of Tyrosine Kinase Inhibitors.

Guideline International journal of molecular sciences 2025

PubMed DOI

B Australia and New Zealand consensus statement on the cardiovascular management of patients with chronic lymphocytic leukaemia treated with Bruton's tyrosine kinase inhibitors.

Guideline Internal medicine journal 2025

PubMed DOI

B Branched-chain amino acid supplementation for improving growth and development in term and preterm neonates

Systematic Review The Cochrane database of systematic reviews 2020

PubMed DOI Cochrane

B [Clinical practice guideline on anaplastic lymphoma kinase-tyrosine kinase inhibitors for non-small cell lung cancer (2025 edition)].

Guideline Zhonghua zhong liu za zhi [Chinese journal of oncology] 2025

PubMed DOI

B [Chinese expert consensus on epidermal growth factor receptor tyrosine kinase inhibitors for the treatment of non-small cell lung cancer (2025 edition)].

Guideline Zhonghua yi xue za zhi 2025

PubMed DOI

B Consensus Guideline for the Diagnosis and Treatment of Tyrosine Hydroxylase (TH) Deficiency.

Guideline Journal of inherited metabolic disease 2025

PubMed DOI

B Baseline-dependent effect of dopamine's precursor L-tyrosine on working memory gating but not updating

Rct Cognitive, affective & behavioral neuroscience 2020

PubMed DOI

B Effect of Amino Acid Supplementation on Iron Regulation after Endurance Exercise

Rct Nutrients 2023

PubMed DOI

C Attenuating Muscle Damage Biomarkers and Muscle Soreness After an Exercise-Induced Muscle Damage with Branched-Chain Amino Acid (BCAA) Supplementation: A Systematic Review and Meta-analysis with Meta-regression

Systematic Review Sports medicine - open 2024

PubMed DOI

C The Effects of Green Tea Amino Acid L-Theanine Consumption on the Ability to Manage Stress and Anxiety Levels: a Systematic Review

Systematic Review Plant foods for human nutrition (Dordrecht, Netherlands) 2020

PubMed DOI

View all evidence for Tyrosine →