Description
Biotin Powder – Yeast Nutrient
Overview
Biotin (Vitamin B7) is an essential cofactor that supports yeast metabolism and healthy fermentation. It plays a key role in fatty acid synthesis, amino acid metabolism, and energy production—processes that directly impact yeast vitality, alcohol tolerance, and fermentation completeness.
Why It Matters
Most malt-based worts naturally contain biotin, but grape must, honey, or sugar-based fermentations (like cider, mead, or hard seltzer) are often deficient. In these nutrient-poor environments, yeast can struggle to reproduce and may produce higher levels of unwanted byproducts such as hydrogen sulfide or volatile acidity.
Supplementing with biotin ensures robust yeast growth, faster fermentation starts, and cleaner flavor profiles.
When to Use
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Wine & Mead: Add at yeast rehydration or early fermentation.
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Cider & Hard Seltzer: Add with your complete yeast nutrient blend.
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Beer: Useful for high-adjunct or sugar-heavy recipes.
Usage Rate
Use 0.1–0.5 mg per 5 gallons (19 L), or according to your nutrient formulation.
Key Benefits
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Promotes strong yeast growth and vitality
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Supports complete attenuation
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Reduces the risk of sluggish or stuck fermentations
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Enhances fermentation consistency in low-nutrient media
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