I also wonder if this is normal, every time when I try the senolytic part of the protocol, which I take 2g Niacinamide + 2g D-Ribose + 2g TMG + 1g Curcumin, I feel weak, heart palpitation and headache for the rest of the day, sometimes through out the next morning. My blood pressure is always on the low side (<90/60 most of the time), heart rate is also on the low 50s.
That is not normal, and I suggest you cut back on the dosage. This is a geriatric protocol, and at your age of 51 you, have less need for senolytics.