Medication info
Benfomag Big Active S Soft Capsule

Benfomag Big Active S Soft Capsule

OTC medicationSoft capsule경구
Ingredient · strength
Magnesium Oxide›301mg / 1 capsuleTocopherol Acetate›200mg / 1 capsuleBenfotiamine›50mg / 1 capsulePyridoxine Hydrochloride›50mg / 1 capsuleCyanocobalamin›0.5mg / 1 capsuleRiboflavin›50mg / 1 capsule
Manufacturer / importer
메딕스제약(주)
Appearance
Brownish-red oblong soft capsule containing a yellow oily substance
Packaging
PTP packaging - 60 capsules/PTP [(10 capsules/PTP * 6)], PTP packaging - 120 capsules/box [(60 capsules/box x 2)]
Approval status
Active

MFDS item code 202201553 · Notified 2022.04.14

Summary

Main use
Relief of peripheral vascular disorders (shoulder stiffness, cold limbs) and neuralgia, inhibition of muscle cramps
Who takes it
Adults
Adult dose
Aged 12 years and older: 1 capsule twice daily.

Ingredients

Manufacturer
메딕스제약(주)

Efficacy & effects

Relief of peripheral vascular disorders (shoulder stiffness, cold limbs) and neuralgia, inhibition of muscle cramps

  • Physical fatigue
  • weakened stamina
  • peripheral vascular disorders
  • menopause symptoms
  • shoulder stiffness
  • neck stiffness
  • numbness in hands and feet
  • cold limbs
  • neuralgia
  • myalgia
  • arthralgia
  • angular cheilitis
View approved original text

The vitamins E, B1, B2, B6 contained in this drug help with physical fatigue, weakened stamina during pregnancy and lactation, after illness, and in old age. They are also effective in alleviating symptoms of peripheral vascular disorders and menopause such as shoulder and neck stiffness, numbness, and coldness of the hands and feet. They also assist in relieving pains such as neuralgia, myalgia, arthralgia, and various symptoms like inflammation around the mouth and dermatitis. It is also used to improve eye fatigue and is applied to treat muscle cramps caused by magnesium deficiency. Overall, the group of vitamins and magnesium is used to alleviate various physical symptoms and enhance health.

How to take

Adult dose

Aged 12 years and older: 1 capsule twice daily.

Precautions

This drug should not be taken by individuals with allergies to specific ingredients or those who show hypersensitivity. Infants under 12 months old or patients with severe kidney dysfunction should also avoid this medication. Individuals allergic to soybean oil, beans, peanuts, etc., should refrain from taking this drug. Patients with metabolic problems or specific lipid disorders should use this drug with caution. This drug contains a pigment called Yellow No. 5, so individuals with allergies to this ingredient should take care. During the use of this drug, it is advisable not to take other medications such as phosphates, calcium salts, oral tetracycline antibiotics, antacids, or levodopa together. Women undergoing treatment, pregnant women or those who may become pregnant, breastfeeding women, and patients with heart or kidney problems should consult a doctor or pharmacist before taking this medication. If symptoms such as gastrointestinal discomfort, diarrhea, constipation, rash, nausea, vomiting, irregular heartbeat, or central nervous system anomalies appear during use, it is essential to stop taking the drug immediately and consult a professional. It is necessary to be cautious as menstrual cycles may change or bleeding may be prolonged. Patients taking contraceptives that contain estrogen or those at risk of thrombosis may have an increased risk of thrombosis when taking this drug. High-dose long-term use of Vitamin B6 (pyridoxine) may cause nerve damage, so precautions should be taken. Patients with folate deficiency taking high doses of Vitamin B12 may show abnormal blood responses. Overdosage may result in symptoms such as nausea, vomiting, edema, and heart failure, so caution is advised. Particularly, caution should be taken when used together with aldosterone antagonists or triamterene due to the risk of elevated potassium levels in the blood. If symptoms do not improve within a month after taking the medication, consulting a professional is recommended. Patients with lipid overload should regularly check their blood lipid levels and adjust dosages as needed. When using other lipid injectables, dosage should be adjusted to prevent excessive lipid intake. It is essential to adhere to the prescribed method and dosage, and urination may turn yellow, affecting clinical test results. Teas containing tannins, such as green tea or black tea, should be avoided before and after taking this medication. Keep out of reach of children, avoid direct sunlight, and store in a cool, dry place. It is essential to not transfer to other containers to maintain quality.

Side effects and when to seek care immediately

Serious side effects

Cardiac arrest (cardiac contraction failure)

Mild side effects

Gastrointestinal discomfort, diarrhea, constipation, rash, erythema (redness), nausea, vomiting, loose stools, red spots, menstrual changes like earlier onset or increased volume, prolonged bleeding, sensory neuropathy or neuropathic symptoms, hematological adverse reactions, hypernatremia, congestive heart failure, edema, hyperkalemia, yellowing of urine

Not everyone experiences these, and they can vary from person to person.

Interactions

Drug interactions

This drug should not be taken with phosphates, calcium salts, oral tetracycline preparations, antacids, levodopa, or oral contraceptives containing estrogen. Consult a doctor or pharmacist if taken with aldosterone antagonists and triamterene.

Food interactions

This drug should be avoided in conjunction with teas containing tannins, such as green tea and black tea, during or before and after use.

Storage

This drug should be stored in a tightly sealed container to protect it from air and moisture, ideally at room temperature between 1 degree and 30 degrees. Proper storage will maintain the drug's effectiveness and safety.

Appearance and packaging

Appearance

Brownish-red oblong soft capsule containing a yellow oily substance

Package unit

PTP packaging - 60 capsules/PTP [(10 capsules/PTP * 6)], PTP packaging - 120 capsules/box [(60 capsules/box x 2)]

Same-ingredient medicines

Even with the same ingredient, strength, dosage form and how it is taken can differ.

Even with the same ingredient, the dose and directions can differ by strength and dosage form. Talk to a doctor or pharmacist before switching from a medication you are already taking.

Questions about this medicine

  • QI heard I have a deficiency in folic acid; is it okay to take it?

    The product instructions state that patients with folate deficiency should immediately stop taking it and consult a doctor or pharmacist. If you have test results, bring them and consult your doctor or pharmacist first.

    Answers 1 · 2026.09.14

  • QIt's correct to take it twice a day, right?

    Yes, individuals aged 12 years and older are advised to take 1 capsule once, twice a day. It is recommended to avoid tannin-containing teas such as green tea or black tea during and before and after taking this medication.

    Answers 1 · 2026.09.14

For anything that needs medical judgment, consult a doctor or pharmacist.

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This drug information is based on data provided by the Korea Ministry of Food and Drug Safety.
Consult a doctor or pharmacist for accurate dosage, administration, and usage instructions.