overall rating:



Ieva Sturina
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Tenzing created the natural energy category in 2016 and since then has led the way with its plant-based recipe. It's the first naturally energising, plant-based, low calorie and sustainable soft drink. The company prides itself on being climate pledge friendly, carbon-negative and a certified B-corporation.

It is the world first soft drink to introduce carbon labelling and to be carbon negative. In addition, they also make their subscribers’ carbon neutral by offsetting 8.4tn of CO2 per year (UK average carbon footprint) per subscriber. Aside from producing a drink, they have also developed what they describe as "the most convenient" carbon footprint calculator. Furthermore, in partnership with KCL they have created an app letting people track their exposure to pollution in London using real-time data. To top this all off, they invest 5% of their profits into environmental projects.

Tenzing is a subscription-based service, incentivising people to subscribe with them by offering a 5% discount. Customers choose their choice of drinks and the frequency of delivery, monthly or bi-monthly. For 24*250ml original recipe cans a subscriber will pay £24.69 which works out at just over £1 per can. Most unhealthy and bad for the planet alternatives are cheaper for the same volume or even more.

What it's made of:


The company proudly states they make their drinks purely from plants and never use anything artificial. Additionally, all of their cans are BPA free; made from aluminium and so are 100% recyclable.

Taking a look at the ingredients of their Original Recipe, they are as follows: Lemon, Acerola, Green Coffee, Green Tea, Himalayan Rock Salt, Beet Sugar and Water. According to the website, they source 95% of the ingredients of each can locally, which appears to be very good. However, the majority of this will be accounted for by the high water content, water which they now source from the UK. Most of the other ingredients, come from further afield. Himalayan Rock Salt comes not far from the Everest whilst, Green Tea is sourced from Kenya, Coffee Beans come from India and upon further research, Acerola, a key ingredient, is native to South America, Southern Mexico and Central America.

Each can consists of natural caffeine, energising Vitamin C and hydrating electrolytes. In addition, as all ingredients are purely sourced from nature, they contain no animal bi-products or traces of gluten making them Vegan and Gluten-Free. 

How it's made:


I was unable to find anything about the actual process of producing a can of Tenzing. However, the basic steps will be, gathering and transporting all the ingredients to a presumably UK based factory to be processed into a can of their drink.

If this question is approached from a different angle. It could be said that a can of this drink is made with the environment and consumer in mind. Not only is it all-natural, but the company appears to do a lot for the planet. The drink is made in such a way as to make the smallest impact on the planet; have the smallest carbon footprint possible.

Who makes it:


Once again, there is not much information on who makes the drink. All it says is that it's produced as locally as possible. This includes the switching of production from Holland to the UK which has saved 28.5tn of CO2 ( does not mention the time frame).

Even though the final production stage may occur in a factory in the UK and therefore abide by UK labour laws of minimum wage, safe working conditions etc. This may not be the same across the rest of their supply chain. Especially when considering the many countries from which their ingredients are sourced from such as India. The only mention of their farmers I found was in regards to their Green Tea which comes from Kenya. As it is sourced from Rainforest Alliance Certified Farms, it should ensure a quality of life for the farmers and a sustainably sourced leaf.