Simvastatin 40 mg

Generic for SIMVASTATIN

TABLET, FILM COATEDORALH.J. Harkins Company, Inc.NDC: 52959-944Updated: Mar 2026

Active Ingredient

SIMVASTATIN — 40 mg

Inactive Ingredients (Fillers)

⚠️ 1 ingredient flagged as common allergen

Lactose Monohydrate

⚠️ Yes — Dairy

Filler/Binder

Ascorbic Acid

Antioxidant

Butylated Hydroxyanisole

Antioxidant

Citric Acid Monohydrate

pH Adjuster/Buffer

Croscarmellose Sodium

Disintegrant

Ferric Oxide Red

Colorant

Hydroxypropyl Cellulose (1600000 Wamw)

Binder/Coating

Hypromellose

Coating

Magnesium Stearate

Lubricant

Microcrystalline Cellulose

Filler/Binder

Starch, Corn

Disintegrant/Filler

Talc

Glidant/Lubricant

Titanium Dioxide

Colorant/Opacifier

Triethyl Citrate

Plasticizer

Ingredient	Purpose	Common Allergen?	Description
Lactose Monohydrate	Filler/Binder	⚠️ Yes — Dairy	A sugar derived from milk. Common allergen for lactose-intolerant individuals and those with dairy allergies.
Ascorbic Acid	Antioxidant	No	Vitamin C. Used as an antioxidant to prevent degradation of active ingredients and as a pH adjuster.
Butylated Hydroxyanisole	Antioxidant	No	BHA. A synthetic antioxidant used to prevent rancidity of fats and oils. Rare contact sensitivity reported.
Citric Acid Monohydrate	pH Adjuster/Buffer	No	Citric acid in its hydrated form. Used to adjust acidity and as a buffering agent. Derived from citrus fruits or fermentation.
Croscarmellose Sodium	Disintegrant	No	A chemically modified cellulose derivative that helps tablets dissolve quickly.
Ferric Oxide Red	Colorant	No	Red iron oxide pigment used in tablet coatings and capsule shells. A mineral-based colorant, distinct from FD&C synthetic dyes.
Hydroxypropyl Cellulose (1600000 Wamw)	Binder/Coating	No	A high-molecular-weight cellulose derivative used as a binder and film-coating agent. Plant-derived.
Hypromellose	Coating	No	A semisynthetic polymer used for tablet coating. Derived from cellulose.
Magnesium Stearate	Lubricant	No	A lubricant that prevents ingredients from sticking to manufacturing equipment.
Microcrystalline Cellulose	Filler/Binder	No	Refined wood pulp used as a filler and binder. Generally inert and well-tolerated.
Starch, Corn	Disintegrant/Filler	No	Corn-derived starch used as a filler, binder, or disintegrant. May affect individuals with corn allergy or sensitivity.
Talc	Glidant/Lubricant	No	A mineral used to improve powder flow in manufacturing.
Titanium Dioxide	Colorant/Opacifier	No	A white pigment used for coating opacity. Under regulatory review in some countries.
Triethyl Citrate	Plasticizer	No	A citric acid ester used as a plasticizer in enteric coatings and controlled-release formulations.

Exclusion Groups

This medication contains ingredients flagged in the following groups. Patients with these sensitivities should consult their prescriber.

🌾Gluten 🔴Alpha-Gal Syndrome 🥛Milk / Lactose 🎨Dyes & Colorants 🌱Not Vegan ☪️Halal Concern ✡️Kosher Concern 🥦Not Vegetarian

Dietary & Safety Information

Cross-Contamination Risk (source-dependent)

1 ingredient may have cross-contamination risk with gluten (source-dependent):

Starch, Corn — May contain (source-dependent)

Alpha-Gal Syndrome Risk

2 ingredients may contain mammalian-derived components:

Magnesium Stearate(Possible — Stearates can be plant- or animal-derived (verify source).)
Lactose Monohydrate(Possible — May be mammalian-derived; some alpha-gal patients react (verify source).)

AllergenMaps

Ingredient

Purpose

Common Allergen?

Lactose Monohydrate

Filler/Binder

⚠️ Yes — Dairy

Ascorbic Acid

Antioxidant

Butylated Hydroxyanisole

Antioxidant

Citric Acid Monohydrate

pH Adjuster/Buffer

Croscarmellose Sodium

Disintegrant

Ferric Oxide Red

Colorant

Hydroxypropyl Cellulose (1600000 Wamw)

Binder/Coating

Hypromellose

Coating

Magnesium Stearate

Lubricant

Microcrystalline Cellulose

Filler/Binder

Starch, Corn

Disintegrant/Filler

Talc

Glidant/Lubricant

Titanium Dioxide

Colorant/Opacifier

Triethyl Citrate

Plasticizer

Dietary & Safety Information

Cross-Contamination Risk (source-dependent)

1 ingredient may have cross-contamination risk with gluten (source-dependent):

Starch, Corn — May contain (source-dependent)

Alpha-Gal Syndrome Risk

2 ingredients may contain mammalian-derived components:

Magnesium Stearate(Possible — Stearates can be plant- or animal-derived (verify source).)
Lactose Monohydrate(Possible — May be mammalian-derived; some alpha-gal patients react (verify source).)