Cold-busting grapefruit and berry smoothie

A delicious combination of immune-boosting grapefruit juice, strawberries and raspberries to up your vitamin C.

A glass containing a pink smoothie with half a grapefruit and a bowl of raspberries next to it
By Saga Magazine | Published - 4 Nov 2025
Social Facebook Social Twitter Social Pinterest Email

While the vitamin C in the fruit may not prevent you from getting a cold, research suggests it aid immune systems in reducing a cold’s symptoms and duration.

The pumpkin seeds add zinc, which seems to help protect against viruses.

(Hero image credit: Shutterstock)

Cooking Time
10 mins
Serves
1

Ingredients

  • 150ml (5fl oz) pink grapefruit juice
  • 50g (2oz) frozen strawberries
  • 50g (2oz) frozen raspberries
  • 100g (4oz) low-fat Greek yogurt
  • Handful of pumpkin seeds

Method

  1. Combine the juice, yogurt and frozen berries in a blender until smooth.
  2. Preheat the oven to 180°C/350°F/gas 4, scatter the pumpkin seeds on a baking tray and drizzle with a little olive oil.
  3. Roast until the seeds are golden brown – about 10 minutes.
  4. Allow to cool and add to the smoothie mix.
Related articles
A slice of New York cheese cake with the rest of the cake in the background and a bowl of berries.
Foolproof New York cheesecake
Clodagh McKenna's mum's irish stew with pearl barley in a cast iron pot with someone dishing a portion into a bowl next to it
Clodagh McKenna: My mum's Irish stew with pearl barley
Winter salad recipe: roasted leek, endive, walnut and apple salad with goat's cheese
Winter roasted leek salad with apple and goat's cheese
Bread, cheese and wine on a wooden board
Love food and wine?

Find out about Saga's gastronomy holidays here...

They say the way to the heart is through the stomach, and Saga’s thoughtfully crafted food and wine holidays are perfect if you like trying new flavours and exploring traditional methods of cooking.

Find out more

A mature woman running next to the sea

Saga Health Insurance

Health insurance for people over 50 that provides a quicker route to diagnosis and planned medical treatment in a private facility.

Underwritten by Bupa Insurance Limited.

Find out more

Related articles

Mature man in a kitchen, holding the lid of a pot with steam billowing up in front
The foods you should “never” reheat – and why the rules aren’t as strict as you think

From rice to roast chicken, there’s a lot of confusing advice about leftover food. We asked the experts to separate fact from fiction.

An older persons hands making a cup of tea
Why you should never squeeze your teabag – and other golden tea-making rules

Want to make the perfect brew? Then follow these expert tips

Young man and his senior father going through shopping list while buying in supermarket
How to save money on your food shop – without noticing the difference

We’ve found the best money-saving alternatives to some of the most popular branded products. 

potatoes and onions being stored together
The foods you must never store together
If you want your food to last longer, we've got the 5 common food pairs you must never store together.
Chinese peking duck wrapped in pancakes with cucumber, spring onions and hoisin sauce
How to cook Chinese food in an air fryer - with 3 easy recipes to try

We've got expert advice on how to cook up a feast in your air fryer in minutes.

A person putting tomatoes away - but should tomatoes be stored in the fridge? | GettyLiudmila Chernetska
Don’t store these 7 foods in the fridge

These foods will lose flavour and freshness if you store them in the fridge.

A man wearing an apron pours white wine from a glass into a pan of food, with various vegetables on the worktop
Diana Henry's tips for cooking with alcohol
If you've got leftover sherry, vermouth or limoncello, the food writer shares her advice on how to use alcohol in your cooking.
Close-up of a barista pouring frothed milk into a coffee mug in front of a large coffee machine
The secrets of cafe-quality coffee (and it’s not just about the machine)
We quizzed the experts on why a barista brew always tastes so good – and got some insider tips on how to recreate it at home.
Hand swirling a glass of red wine on a blurred background of a wine cellar
The best low alcohol wines offering great taste without the headache
Want to take a break from booze? From low-alcohol Tempranillo to 0% aperitifs, our expert has the best on offer.