The Blog of Michael R. Eades, M.D. » Tips & tricks for starting (or restarting) low-carb Pt I
The Science Behind The “Low Carb Flu”, and How To Regain Your Metabolic Flexibility - GNOLLS.ORG
Your body is obviously not accustomed to burning fat for fuel yet. The fact you're having to up your carb intake to maintain performance is likely proof of this.