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Users who track closely may notice: Slight improvement in fasted cardio performance Marginally faster recovery from caloric restriction (less lethargy on deficit days) Possible 0.5-1lb scale change, though this is within normal fluctuation What to track: Daily weigh-ins and weekly measurements continue

Here's what we actually know with confidence: Some research suggests that NMN may be more effective for certain tissues like skeletal muscle, while NR shows particular benefits in liver tissue

doi: 10.1097/00000542-198306000-00017

Over-expression of c-src or v-src in bone marrow stromal cells stimulates hematopoiesis in long-term bone marrow culture

10.1007/s12192-019-00977-1 118 LiuH.YeM.GuoH