It’s weird how your moods and energy levels change with what the weather’s doing. I definitely need sunshine; hence the reason why Vitamin D tablets, taken on a daily basis, is one of my proactive tablets.
My POWERbreathe K3 data:
You can see I had some improvement, which is good but I think I could push myself a bit harder.
One thing that is very noticeable is my ability to do my 0.5-mile swim each week. The breathing and hence, energy and power is really building and I’m not totally exhausted afterwards.