Mo

No—plain creatine doesn’t break a fast because it has no calories and minimal effect on insulin.

No, pure creatine doesn’t break intermittent fasting; sugary mixes or protein blends do.

Yes, taking CLA during intermittent fasting breaks a strict fast because typical softgels contain calories from fat.

Yes, BCAAs break a fast for most goals because they add calories and stimulate insulin and mTOR signaling.

Yes, d-ribose breaks a strict fast—it’s a calorie-containing sugar that can prompt insulin signaling during fasting.

Yes—oral DHEA breaks a fast in the strict sense due to tiny calories and hormone signaling during fasting.

Yes—collagen tablets contain calories and protein, so by strict fasting rules they break a fast.

Yes, collagen in black coffee breaks a fast because protein calories and amino acids count as intake.

Yes, cod liver oil tablets contain calories and fat, so they break a fast under strict fasting rules.

No, plain apple cider vinegar (≈3 kcal/tbsp) is usually treated as fasting-safe; a strict water-only fast allows only water.