Yeast

Brewing Yeast

Shop brewing yeast for beer, wine, cider and mead making. We stock a wide range of ale yeast, lager yeast, wine yeast, cider yeast and specialist strains from trusted brands used by home brewers and winemakers throughout the UK.

Buy Brewing Yeast for Home Brewing and Winemaking

Yeast is one of the most important ingredients in fermentation. It converts sugars into alcohol and carbon dioxide while also contributing flavour, aroma and character to the finished drink.

Whether you're brewing from scratch or improving a beer kit, choosing the right yeast can significantly improve fermentation performance and flavour quality.

Ale Yeast vs Lager Yeast

The two most common brewing yeast categories are ale yeast and lager yeast. Each produces different flavour profiles and performs best within specific temperature ranges.

Ale yeast is commonly used in IPA beer kits, pale ale beer kits, bitter beer kits and many traditional British beer styles.

Lager yeast is used in lager and pilsner beer kits and generally produces a cleaner, crisper flavour profile.

Selecting the correct yeast strain helps create authentic beer styles and more predictable fermentation results.

Wine Yeast and Cider Yeast

Yeast selection is equally important when making wine and cider. Different strains influence flavour, aroma, alcohol tolerance and fermentation speed.

If you make wine at home, browse our wine kits, wine making supplies and specialist winemaking ingredients to complement your chosen yeast strain.

For cider makers, our cider kits and cider making ingredients collections contain everything required for successful fermentation.

Why Yeast Choice Matters

Different yeast strains produce different flavour characteristics. Some create fruity esters, while others ferment cleanly to allow malt and hop flavours to dominate.

Many advanced brewers experiment with different yeast strains alongside brewing hops, malts and grains and malt extract to create unique recipes and improve consistency.

Changing yeast is often one of the simplest ways to transform the character of a beer without altering the rest of the recipe.

Yeast Starters and Fermentation Health

Healthy yeast produces better fermentation, cleaner flavours and more reliable results. For higher gravity beers and larger batches, many brewers use yeast starters to increase cell counts before pitching.

You can calculate starter sizes using our Yeast Starter Calculator and improve fermentation management using our Brewing Calculators.

Monitoring fermentation with a hydrometer or refractometer also helps ensure your beer, wine or cider reaches its intended final gravity.

Essential Brewing Ingredients

Yeast works alongside several other core brewing ingredients. For best results, combine quality yeast with suitable brewing hops, malts and grains, malt extract and brewing sugars.

If you're just starting out, our beer starter kits and home brew starter kits provide everything needed to begin brewing at home.

Brewing Yeast FAQs

What does brewing yeast do?

Brewing yeast converts sugars into alcohol and carbon dioxide while contributing flavour and aroma to the finished drink.

Can I upgrade the yeast included in a beer kit?

Yes. Many home brewers replace standard kit yeast with specialist strains to improve flavour and fermentation performance.

What is the difference between ale yeast and lager yeast?

Ale yeast generally ferments at warmer temperatures and produces more flavour compounds, while lager yeast ferments cooler and creates a cleaner flavour profile.

Do I need a yeast starter?

For many standard-strength beers, a starter may not be necessary. However, stronger beers and larger batches often benefit from improved yeast cell counts.

How should brewing yeast be stored?

Most brewing yeast should be stored according to the manufacturer's recommendations to maintain viability and fermentation performance.

Related Collections

• Beer Kits
• IPA Beer Kits
• Lager Beer Kits
• Wine Kits
• Cider Kits
• Brewing Hops
• Malts & Grains
• Malt Extract
• Beer Starter Kits