Overview

Liuwei Dihuang Pills are a classic traditional Chinese medicine formula produced by Jiangxi Yaodu Zhangshu Pharmaceutical and supplied here in a 216-tablet pack. The formula's reputation rests on a fixed composition of six botanicals. For B2B buyers, sourcing consistency - not novelty - is what protects efficacy and brand trust. This article covers the sourcing factors that matter when procuring at volume.

The Fixed Six-Herb Composition

The formula combines prepared rehmannia (Shudihuang) with cornus fruit (Shanzhuyu), Chinese yam (Shanyao), water plantain rhizome (Zexie), tree peony bark (Mudanpi) and poria (Fuling). Traditional structuring pairs three tonifying herbs with three draining herbs to nourish kidney yin while preventing stagnation. Because the ratio is fixed by the formula, any shift in one botanical's potency changes the finished pill, so ingredient specification is the first quality gate a buyer should enforce.

Herb Origin and Good Agricultural Practice

Botanical identity and growing region influence active-marker content. Reputable suppliers document the botanical source, harvest season and cultivation method, increasingly aligned with good agricultural and collection practice for medicinal plants. For a high-volume pill such as a 216-tablet pack, stable sourcing of all six herbs avoids batch-to-batch variation that purchasers would otherwise notice in color, taste or dissolution behavior over repeat orders.

Verification and Supply Continuity

Buyers should ask for batch-level testing - identity, microbial limits, heavy metals and label-claim consistency - and confirm the manufacturer's GMP status. Long-term supply agreements and safety stock for the slower-moving herbs reduce the risk of formulation gaps. Treating the six-herb formula as a single integrated specification, rather than six separate purchases, is the most reliable way to keep quality steady across seasons and shipments. Buyers can further de-risk supply by requesting a certificate of specification that lists acceptable ranges for each of the six herbs, so deviations are caught before release rather than after complaints. Visiting or auditing the manufacturing site, where feasible, confirms that documented practice matches the written quality system. Over repeated seasons, this disciplined sourcing protects the recognizable character of the Liuwei Dihuang formula and sustains the trust that keeps a 216-tablet pack a repeat purchase for clinics and retailers alike.

FAQ

Q: What are the six herbs in Liuwei Dihuang? A: Prepared rehmannia, cornus fruit, Chinese yam, water plantain rhizome, tree peony bark and poria, in a fixed traditional ratio.

Q: Why does herb sourcing affect pill quality? A: Each botanical contributes distinct actives; variation in origin or potency shifts the finished pill's character and consistency.

Q: How is batch consistency verified? A: Through identity and purity testing, microbial and heavy-metal screening, and GMP-documented manufacturing per batch.