1000-Lb Sisters star Tammy Slaton has reflected on her incredible journey to losing 500 lbs (226kgs) in a poignant video message to fans. In a video shared to Instagram this week, Tammy, 38, unveiled her remarkable weight loss milestone and opened up about the challenges she's faced along the way – including her struggle with alcohol, that she overcame to get there. Stream episodes of 1000-Lb Sisters for free on 9Now.

 "I reflect. I was huge, I lost 500 pounds – like, I would not be able to sit in this chair," Tammy began. "I think I was trying to be so focused on losing weight I lost myself.

I lost who I was and I turned to alcohol so I was doing damage to myself in two different ways." You can hear everything Tammy had to say by watching the video above.  The reality star explained she likes to take lots of selfies, not only because she loves the way she looks but so she can appreciate how much progress she's made.

For Tammy, perseverance and consistency was key to leading a healthier lifestyle. "It would be so easy to fall back into bad habits and gain all the weight back but then what was all this for? It would be wasted time, wasted money, wasted effort," she said. "It's not a diet they say, it's a lifestyle change.

Which it really is. I had a lot of demons, inner demons that I had to fight and I'm still fighting." WATCH: 1000-Lb Sisters star Tammy Slaton reveals remarkable 500lb weight loss Tammy signed off the video with an important messa.