Slideshows Images Quizzes


Last reviewed on RxList: 11/28/2017
Drug Description
Anemia Symptoms and Signs, Types, Treatment and Causes

Niferex ® -150 Capsules
(ferrous asparto glycinate and polysaccharide iron) Complex


Supplement Facts
Serving Size 1 Capsule

  Amount Per Serving % Daily Value
Iron (elemental)
(33% as Sumalate™† and 67% as polysaccharide iron complex)
150 mg 833%
Vitamin C from Ester-C ®
(81% and 1% of Ester-C ® as ascorbic acid and threonic acid)
50 mg 56%
Succinic acid 50 mg *
* Daily Value not established

Other ingredients: Malic acid, magnesium stearate, silicon dioxide, gelatin, titanium dioxide, D&C Yellow No. 10, D&C Red No. 28, FD&C Red No. 40, FD&C Blue No.1, and pharmaceutical glaze.

† Sumalate" (ferrous asparto glycinate) is a trademark of Albion International, Inc., Clearfield, Utah. U.S. Patent Pending.

‡ Ester-C® is a patented pharmaceutical grade material consisting of calcium ascorbate and calcium threonate. Ester-C® is a licensed trademark of Zila Nutraceuticals, Inc.

For Consumers

What are the possible side effects of ascorbic acid and iron polysaccharide (Ferrex 150 Plus, Fe-Tinic 150, Niferex-150)?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Stop using this medication and call your doctor at once if you have a serious side effect such as:

  • fever;
  • severe lower back pain;
  • painful or difficult urination;
  • blood in your urine; or
  • black or dark stools.

Less serious side effects may include:

  • stomach upset;
  • nausea or...
Indications & Dosage
Anemia Symptoms and Signs, Types, Treatment and Causes


No information provided.


Directions: Adults take 1 or 2 capsules daily, or as directed by a physician.


NDC 64011-163-26 - 90 Capsules

Store at controlled room temperature 15°-30° C (59°-86°F).

Mktd. by Ther-Rx Corp., St. Louis, MO 63044. 05/06

Side Effects & Drug Interactions
Anemia Symptoms and Signs, Types, Treatment and Causes


No information provided.


No information provided.

Warnings & Precautions
Anemia Symptoms and Signs, Types, Treatment and Causes


Accidental overdose of iron-containing products is a leading cause of fatal poisoning in children under 6. Keep this product out of reach of children. In case of accidental overdose, call a doctor or poison control center immediately.

Iron is best absorbed on an empty stomach; however, occasional gastrointestional discomfort (such as nausea) may be minimized by taking with meals. Iron-containing medication may occasionally cause black stools, constipation, or diarrhea, which is usually transient and self-limiting.

If pregnant or breast-feeding, ask a health professional before use.

This package is tamper evident. Do not use if imprinted seal under cap is missing or damaged.


No information provided.

Overdosage & Contraindications
Anemia Symptoms and Signs, Types, Treatment and Causes


No information provided.


No information provided.

Clinical Pharmacology
Medication Guide
Anemia Symptoms and Signs, Types, Treatment and Causes


No information provided. Please refer to the WARNINGS section.

FDA Logo

Report Problems to the Food and Drug Administration

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

Health Solutions From Our Sponsors