For the "black goji berry original pulp drink which brand is effective?" This question, there are many brands of black goji berry drink available on the market. Here are three of those brands that I recommend:

1. **Three Squirrels**

Three Squirrels is a well known snack brand that is known for its unique taste and high quality of black goji berry stock drinks. Their black goji berry stock drink uses high-quality black goji berries as the main ingredient, which are carefully extracted and processed to maintain the nutritional value of goji berries. The drink has a rich taste and mellow flavor, which can effectively nourish the body.

2. **Old Chinese Medicine**

Old Chinese Medicine is a brand that specializes in herbal products. Their Black Goji Berry Original Drink blends traditional herbal formulas with modern technology to provide better nutrition and health benefits. The brand's Black Goji Berry Original Plasma Drink has a unique herbal flavor and soft taste that regulates body functions and improves immunity.

3. **Moutai**

Moutai is a liquor brand with a long history. Their Black Wolfberry Original Plasma Drink combines the essence of Moutai Baijiu and Black Wolfberry to create a unique flavor and taste. The brand's drinks have a unique aroma and strong wine flavor, while enjoying the health benefits of black goji berries.

In summary, the above three brands of black wolfberry stock drinks are all better choices in the market with different characteristics and tastes. According to personal preferences and needs, choose the brand that suits you will have better results.