What is the shelf life of Angong Niuhuang Pills?

Dec 10, 2025 Source: Cainiu Health

Dr. Sun Lianqing

Introduction

An Gong Niu Huang Wan typically has a shelf life of 3 to 5 years, but the exact duration should be based on the information labeled in the drug's instruction leaflet. If in doubt, it is recommended to consult a healthcare professional in advance. When properly sealed and stored appropriately, An Gong Niu Huang Wan remains stable in composition and effective within its shelf life. Medications purchased through正规 channels include clear labeling of manufacturing date and expiration date in the instructions, ensuring suitability for use within this period.

Generally, the shelf life of Angong Niuhuang Pills is about 3 to 5 years, but the exact duration should be based on the expiration date indicated in the drug's instruction leaflet. If in doubt, it is advisable to consult a healthcare professional in advance. Detailed analysis is as follows:

When properly sealed and stored under appropriate conditions, the ingredients of Angong Niuhuang Pills remain stable within the shelf life, ensuring therapeutic efficacy. Medications purchased through正规 channels typically have clear labeling on the package insert indicating the manufacturing date and expiration date, and are considered safe and effective for use within this period.

Poor storage conditions—such as exposure to moisture, high temperatures, or compromised packaging—may cause the pills to absorb moisture, degrade, shorten their shelf life, or even become ineffective prematurely. Using Angong Niuhuang Pills beyond their labeled expiration date may result in chemical changes in the ingredients, leading to reduced effectiveness or potential adverse reactions.

Angong Niuhuang Pills must be stored strictly according to the specified requirements. Always carefully check the expiration date before use. Expired or deteriorated products must not be used. For specific guidance on medication use and storage, consult a qualified physician.

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If the ingredients for medicinal liquor are fresh and unspoiled, soaked in high-proof baijiu (over 50% alcohol by volume), and stored sealed in a cool, dry, dark place, the shelf life is generally 1 to 3 years. High-proof alcohol can inhibit bacterial growth, while sealed storage reduces oxidation and contamination, thereby delaying spoilage. Consumption within this period is relatively safe.

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Can expired medicinal liquor still be consumed?

It is generally not recommended to consume medicinal liquor after its expiration date. When purchasing or making medicinal liquor at home, clearly label the production date and shelf life, and prioritize small-sized packaging to ensure quick consumption. Store in a sealed glass container with a tight-fitting lid, placed in a cool, dark location, avoiding high temperature and humid environments. Regularly check the condition of the medicinal liquor; if cloudiness occurs, do not consume.

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