Baby Safety / Compounds / Cellulose, microcrystalline (MCC; E460)

Is Cellulose, microcrystalline (MCC; E460) safe for babies and kids?

Low risk for kids

Infants are more vulnerable to Cellulose, microcrystalline (MCC; E460) 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 cellulose, microcrystalline (mcc; e460)?

Also known as: Cellulose, 纤维素, celuloza, celulosa.

CAS number
9004-34-6

Risk for babies

Low risk

Infants are more vulnerable to Cellulose, microcrystalline (MCC; E460) 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 Cellulose, microcrystalline (MCC; E460), 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 Cellulose, microcrystalline (MCC; E460).

AgencyYearClassificationNotes
IARC2016Not evaluated by IARC for carcinogenicity — Microcrystalline cellulose (MCC; E460; CAS 9004-34-6; purified, partially depolymerized cellulose derived from acid hydrolysis of high-quality wood pulp or cotton linters) is an inert, insoluble dietary fiber widely approved as a food additive and pharmaceutical excipient; FDA GRAS (21 CFR 182.90, 21 CFR 182.1480); EU E460 (quantum satis); EFSA ADI 'not specified' (2016 re-evaluation); no IARC, EPA, or EFSA carcinogenicity classification; MCC is chemically and physiologically inert — it passes through the GI tract unchanged as insoluble dietary fiber without significant fermentation or systemic absorption; it is one of the most widely used pharmaceutical tablet excipients globally and has an extensive safety record spanning several decades

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 cellulose, microcrystalline (mcc; e460)

  • Industrial Facilities — Manufacturing plants, Chemical storage areas, Waste treatment sites
  • Occupational Environments — Factories, Warehouses, Transportation vehicles

Safer alternatives

Lower-risk approaches that achieve a similar outcome to Cellulose, microcrystalline (MCC; E460):

  • Fragrance-free formulations
    Trade-offs: Consumer preference for scented products
    Relative cost: Lower (ingredient elimination)
  • Essential oil-based fragrances (with disclosure)
    Trade-offs: Natural does not mean safe — many essential oils are skin sensitizers
    Relative cost: 2-5× conventional

Frequently asked questions

Is cellulose, microcrystalline (mcc; e460) safe for kids?

Infants are more vulnerable to Cellulose, microcrystalline (MCC; E460) 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 cellulose, microcrystalline (mcc; e460)?

Cellulose, microcrystalline (MCC; E460) appears in: Manufacturing plants (Industrial facilities); Chemical storage areas (Industrial facilities); Factories (Occupational environments); Warehouses (Occupational environments).

What should I do if my child is exposed to cellulose, microcrystalline (mcc; e460)?

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 Cellulose, microcrystalline (MCC; E460) in the baby app

Look up products containing cellulose, microcrystalline (mcc; e460), compare to alternatives, and explore the full data record.

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Sources (1)
  1. Microcrystalline Cellulose MCC E460 CAS 9004-34-6 Avicel PH-101 PH-102 Wood Pulp Cotton Linters Acid Hydrolysis Crystalline Domains DP 220-350; EFSA 2016 ADI Not Specified EFSA Journal 2016;14(11):4659 Chronic 5% Diet 2500mg/kg; FDA GRAS 21 CFR 182.90 182.1480; Pharmaceutical Tablet Binder Direct Compression Plastic Deformation Cohesion; Disintegrant Capsule Filler Controlled-Release Matrix; Food Anticaking Texturizer Fat Replacer Emulsion Stabilizer; Avicel RC-591 MCC-CMC Coprocessed; Insoluble Dietary Fiber Minimal Fermentation Colon Stool Bulk; Not Carboxymethylcellulose Not HPMC Structurally Different; Universal Worldwide Regulatory Approval (2016) — regulatory

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 →