Baby Safety / Compounds / Asparagine

Is Asparagine safe for babies and kids?

Moderate risk for kids

Infants are more vulnerable to Asparagine than children or adults due to immature hepatic/renal clearance, higher intake-to-body-weight ratio, rapid organ development, and increased gastrointestinal absorption.

What is asparagine?

The IUPAC name is (2S)-2,4-diamino-4-oxobutanoic acid.

Also known as: (2S)-2,4-diamino-4-oxobutanoic acid, L-asparagine, (S)-asparagine, Aspartamic acid.

IUPAC name
(2S)-2,4-diamino-4-oxobutanoic acid
CAS number
70-47-3
Molecular formula
C4H8N2O3
Molecular weight
132.12 g/mol
SMILES
N[C@@H](CC(N)=O)C(O)=O
PubChem CID
6267

Risk for babies

Moderate risk

Infants are more vulnerable to Asparagine than children or adults due to immature hepatic/renal clearance, higher intake-to-body-weight ratio, rapid organ development, and increased gastrointestinal absorption.

Neonates and infants up to 12 months have incomplete blood-brain barrier development, immature Phase I/II metabolic enzymes (particularly CYP3A4, UGT1A1), and higher gastrointestinal permeability. Equivalent doses produce higher internal concentrations and longer residence times.

What to do: Minimize infant exposure through source control. For breastfeeding mothers: reduce maternal exposure. For formula-fed infants: use certified low-migration bottles and verified water sources. Consult pediatrician regarding any concerns.

Risk for pregnant and nursing people

Context-dependent

Pregnancy alters the metabolism and distribution of Asparagine, potentially increasing fetal exposure. The developing embryo/fetus is vulnerable during organogenesis (weeks 3-8) and neurological development. Placental transfer should be assumed.

No specific reproductive toxicity data identified, but pregnancy-specific safety data is limited for most chemicals. Precautionary minimization of exposure is recommended.

What to do: Minimize exposure during pregnancy and lactation. Consult healthcare provider regarding specific risks. Consider alternative products with lower hazard profiles.

Regulatory consensus

1 regulatory bodyhas classified Asparagine.

AgencyYearClassificationNotes
EPA CTX / GenetoxGenotoxicity: negative (Ames: negative, 0 positive / 1 negative reports)

Regulators apply different standards of evidence — animal-data weighting, exposure-pattern assumptions, epidemiological power thresholds — which is why two scientific bodies can review the same data and reach different conclusions. The disagreement is the data.

Where kids encounter asparagine

  • FoodPotatoes, Cereals, Coffee beans, Wheat flour

Safer alternatives

Lower-risk approaches that achieve a similar outcome to Asparagine:

  • Ester quats (diethyl ester dimethyl ammonium chloride)
    Trade-offs: Slightly different performance feel
    Relative cost: 1.2-2×

Frequently asked questions

Is asparagine safe for kids?

Infants are more vulnerable to Asparagine than children or adults due to immature hepatic/renal clearance, higher intake-to-body-weight ratio, rapid organ development, and increased gastrointestinal absorption.

What products contain asparagine?

Asparagine appears in: Potatoes (Food); Cereals (Food).

What should I do if my child is exposed to asparagine?

Minimize infant exposure through source control. For breastfeeding mothers: reduce maternal exposure. For formula-fed infants: use certified low-migration bottles and verified water sources. Consult pediatrician regarding any concerns.

See Asparagine in the baby app

Look up products containing asparagine, compare to alternatives, and explore the full data record.

Open in baby View raw API data

Sources (3)

  1. PubChem Compound CID 6267 — database
  2. EPA CompTox Chemicals Dashboard — DTXSID10883220 — epa
  3. ATSDR Toxicological Profile — CAS 70-47-3 — reference

Reference data, not professional advice. Aggregates publicly available regulatory and scientific data; not a substitute for veterinary, medical, legal, or regulatory advice. Why we built ALETHEIA →