Goodbye chalky protein shakes. hello protein soda.

Sick of chugging milky protein shakes that taste like disappointment? Feisty is here to fizz up your protein game. You deserve that bold swirl of flavours and bubbles—with all the gains. Post-workout thirst quencher? Falafel wrap sidekick? Midday slump saver? Feisty’s got you. Drop the F-Bomb whenever, wherever

Why Protein Soda?

  • Feisty is powered by on pea protein—packed with essential amino acids for muscle recovery, allergen-free. Each soda has 10g protein, equivalent to 2 eggs!

  • Unlike most protein drinks, Feisty keeps it clean—no artificial sweeteners, flavours, seed oils, or preservatives. Just ingredients you can pronounce.

  • With less calories than a soda, and 10g protein. Feisty is the perfect side-kick to your salad, burrito bowl, sushi...need we go on?

  • We are proudly 'not too sweet' with under 4g of sugar per can, naturally sweetened with fruit juices and stevia.

  • Say goodbye to the protein bloat. We use hydrolysed (pre-digested) pea protein for easy absorption—plus no protein farts. Plus, our sodas are free from gut-disrupting ingredients.

  • Feisty are made in the UK. Pea protein is the most sustainable choice, cutting greenhouse gas emissions by 89% compared to whey. Plus, our packaging is 100% plastic-free.

Protein is for everyone. not just gymbros
  • muscle repair & growth

    Protein is the building block of your body. It strengthens and repairs muscles—the largest organ—helping you stay strong, recover faster, and prevent injury as you age.

  • Energy & Metabolism

    Protein keeps you full longer and fuels your body with sustained energy, helping you power through the day without the sugar crashes.

  • Hair, Skin & Overall Health

    Protein isn’t just for the gym—it fuels energy, immunity, and even healthy hair and skin. Whether you’re lifting, hustling, or just living, your body runs on it.

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FAQs

Ask Feisty: Everything You Need to Know.
  • We use hydrolysed pea protein—a clear protein, pre-digested protein that gives Feisty its clean taste, soda-like fizz. Easy to digest and zero graininess.

  • Feisty is light, bubbly, and crystal-clear—just like soda. Unlike other sports drinks, our sodas are perfectly balanced—not too sweet. We use real fruit juices for that bold, juicy flavor!

  • Pea protein is packed with a complete amino profile for muscle growth and recovery, allergen-free (no dairy, soy, or gluten), and sustainably sourced, producing 89% fewer emissions than whey.

  • Yes! We never compromise on clean, natural ingredients. Our sodas are 100% free from artificial colours, flavours, sweeteners, and preservatives—no seed oils, no gut-disrupting ingredients, no junk. Ever.

  • 100%! We use pea protein, which is completely plant-based, dairy-free, and allergen-friendly.

  • Yes, enjoy a protein soda whenever, wherever!

  • Nope! Our hydrolysed pea protein is pre-digested, meaning it’s super easy on your gut. No bloating, no discomfort, no unwanted side effects.

  • Absolutely! Pea protein is the most sustainable protein source, producing 89% fewer greenhouse gases than whey. Plus, our packaging is 100% plastic-free.

  • Yes! Our pea protein is rigorously tested for heavy metals and meets the highest safety standards.

  • Feisty is proudly made in the UK with clean, high-quality ingredients.

  • Nope. While they don't demand refrigeration, they truly shine when they're chilled. For an extra refreshment, go ahead and serve them on the rocks!

  • Whenever you need a protein boost without the hassle—post-workout, mid-afternoon, or with your fave meal. It’s the ultimate anytime protein fix.

  • Because there's no added sugar or artificial additives. Our sodas are truly guilt-free. Have as many as you desire. However, protein from whole foods is always best. Feisty is here to give you the boost!

  • Numerous pregnant individuals choose protein drinks for extra nutrition. Although our protein sparkling water is generally safe, it's advisable to seek personalised guidance from your healthcare provider.

  • Absolutely, with no added sugar or caffeine it's suitable for all ages.