Coffee, tea, cocoa
- Maple Hazel Hot Chocolate with skimmed milk M Costa Coffee
- Maple Hazel Iced Latte M Costa Coffee
- Maple Hazel Iced Latte with skimmed milk S Costa Coffee
- Maple Hazel Latte
- Maple Hazel Latte M Costa Coffee
- Maple Hazel Latte S Costa Coffee
- Maple Hazel Latte with semi skimmed milk S Costa Coffee
- Maple Hazel Latte with skimmed milk S Costa Coffee
- Maplenut Latte z napojem migdałowym L Costa Coffee
- Marco Polo French Tea
- Marzipan Flavoured Hot Chocolate
- Masala Chai
- Masala chai
- Matcha
- Matcha
- Matcha and kinako
- Matcha Bubble Tea Kit
- Matcha Coconut Latte
- Matcha Flavoured Instant Boba Pack
- Matcha Green Tea Herbata Zielona w Proszku
- Matcha green tea latte
- Matcha Hot Drinking Chocolate
- Matcha Instant Green Tea
- Matcha Latte
- Matcha latte
- Matcha latte
- Matcha Latte
- Matcha latte matcha green tea & lactose-free milk
- Matcha powder
- Matcha strawberry flavour
- Matcha tea
- Matcha 抹茶パウダー green tea powder culinary grade
- Maxwell House 2 in 1 White Coffee 10 x 14g (140g)
- Maxwell House 2 in 1 White Instant Coffee 10 Sachets 160g
- Maxwell House 3 in 1 Instant Coffee Drink 304 g (20 Sachets)
- Maxwell House 3 in 1 White Coffee + Sugar 10 x 15.2g (152g)
- Maxwell House 3 in 1 White Instant Coffee and Sugar 12 Sachets 182.4g
- Maxwell House Cappuccino Unsweetened Instant Coffee 10 Sachets 158g
- Maxwell House Latte Instant Coffee 8 Sachets 100g
- Maxwell House Mild Blend 100g
- Maxwell House Mocha Instant Coffee 8 Sachets 108g
- Maxwell House Original Cappuccino Instant Coffee 10 Sachets 170g
- Mayan Hot Chocolate
- McVitie's The Choco One Rich Tea Biscuit is now available, and retails in a 300g pack containing 36 units.
- Meadow Blend Loose Leaf Tea
- Medium Roast Columbian Instant Coffee
- medium roast instant coffee made from 100% colombian arabica beans
- Medium Strength Tea
- Menengi̇ç kahvesi̇
- Metabolism Peppermint with Spiced Green Tea & Nettle Herbal Infusion
- Metabolism Tea Bags
- Mieszko 9 Pralines Espresso with Intense Coffee Filling 98g
- Mijo inflado
- Milk & Dark Hot Chocolate Flakes
- Milk Babyccino with coconut milk Costa Coffee
- Milk Babyccino with oat milk Costa Coffee
- Milk Babyccino with semi skimmed milk Costa Coffee
- Milk Babyccino with skimmed milk Costa Coffee
- Milk Babyccino with soya milk Costa Coffee
- Milk Babyccino with whole milk Costa Coffee
- Milk Chocolate Flavour Hot Chocolate Flavour Drink with Heart Mallows
- Milk Chocolate Flavour Hot Chocolate Mix
- Milk Chocolate Hot Chocolate Stirrer with Mini Marshmallows
- Milk Chocolate Stirrers
- Milk Drinking Chocolate Flakes
- Milk Hot Chocolate
- Milk Hot Chocolate
- Milk shake powder, made up with semi-skimmed milk
- Milk shake powder, made up with skimmed milk
- Milk shake powder, made up with whole milk
- Milky 50% Drinking Chocolate
- Milky Way Magic Stars Hot Chocolate 140g
- Millionaires Luxury Frappe - Almond
- Millionaires Luxury Frappe - Almond
- Millionaires Luxury Frappe - Coconut
- Millionaires Luxury Frappe - Coconut
- Millionaires Luxury Frappe - Oat
- Millionaires Luxury Frappe - Oat
- Millionaires Luxury Frappe - Semi Skimmed Milk
- Millionaires Luxury Frappe - Semi Skimmed Milk
- Millionaires Luxury Frappe - Skimmed Milk
- Millionaires Luxury Frappe - Skimmed Milk
- Millionaires Luxury Frappe - Soya
- Millionaires Luxury Frappe - Soya
- Millionaires Luxury Frappe - Whole Milk
- Millionaires Luxury Frappe - Whole Milk
- Millionaires Mocha
- Mince Pie Drinking Chocolate
- Mint Choc Shot Liquid Chocolate
- Mint Refresh Tea
- Mint tea M Costa Coffee
- Mint tea S Costa Coffee
- Mint tea with whole milk M
- Minty Hot Chocolate Bombs with Mini Mallows
- Minutka Black Tea 140 g (100 Tea Bags)
- Minutka Owocowa Flavoured Fruit Tea 64 g (32 Tea Bags)
- Minutka Teabags 40 x 1.4g (56g)
- Minutka Zielona Prickly Pear Quince and Fig Flavoured Green Tea 36.4 g (28 Tea Bags)
- Mission Calm Rooibos + Cinnamon Teabags are now available and retail in a 37.5g pack containing 15 teabags.
- Mission Sleep Superblend Hot Cocoa is now available, and retails in a 56g pack.