You can subscribe to Vegetarian Journal on Kindle in the USA and UK.
In the USA, visit: https://www.amazon.com/dp/B07LBY2Y7K/ref=sr_1_1?ie=UTF8&qid=1544727482&sr=8-1&keywords=B07LBY2Y7K
In the United Kingdom, visit:https://www.amazon.co.uk/dp/B07LBY2Y7K/ref=sr_1_1?s=digital-text&ie=UTF8&qid=1544731957&sr=8-1&keywords=B07LBY2Y7K