Excruciating pain in calves upon waking

I'm a 19 year old woman in otherwise good health except for the fact that I've been battling fibromyalgia and suspected adrenal fatigue for going on 9 months now.

For the past two months I've been following a strict paleo/primal diet (gluten, lactose, grain, legume, and soy free) and seen an improvement in my overall health. I've lost a significant amount of weight, I have more energy, and my hypoglycemia has gone away.

I've also been taking an intensive regimen of supplements for the past 4-5 months, comprising per day of: a well balanced multivitamin, probiotics, 2 grams of high dose fish oil, 600-900mg of magnesium citrate, 7000-10,000iu of Vitamin D-3, 45 micrograms of Mk-7 Vitamin K2, 1600mg of malic acid, 5,000-10,000 micrograms of methyl-B12, 1,000mg of B5, 100mg of CoQ10, 1500mg of acetyl l-carnitine, 15g of d-ribose, and 20mg of PQQ.

The ribose and carnitine have been especially effective. Between the two they've almost completely eliminated all signs of my fibromyalgia and adrenal fatigue.

That is why I can't understand, why all of a sudden, for the past two mornings I've woken up with excruciating pain in my calves. The pain isn't easily relieved by anything I can think of, advil is useless, only rubbing alcohol has slightly eased the pain for a brief period of time. The pain is disabling to the point where I have to limp when I walk anywhere. I have had no injuries, no change in exercise, diet, or supplementation. There are no visible signs of any trauma on the skin.

Do you have any idea where this pain is coming from? What can I do to stop it?