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THE VELRI LIBRARY

Understand your health. Know what to ask.

Guides to treatments, lab results and common health questions. Sources are listed in every article.

All guides

201 guides · Page 6 of 17
Weight & Metabolic

Semaglutide and alcohol: why a changed reaction needs context

Feeling different after a drink does not establish a change in alcohol tolerance. Side effects, food intake and symptoms matter.

1 source · NIHRead · 2 min →
Weight & Metabolic

Night cramps on semaglutide: more than a magnesium question

Night cramps have several possible causes. Fluid loss, activity and medication history matter before assuming a mineral deficiency.

3 sources · NIHRead · 2 min →
Longevity & PerformanceLongevity

Adaptogens vs. coffee: do they offer the same kind of energy?

Caffeine affects alertness. Adaptogen research asks different questions. What “energy without the crash” leaves out.

5 sources · FDA, NIHRead · 2 min →
Weight & Metabolic

Semaglutide or tirzepatide when injections are new to you

Medication choice and injection confidence are separate questions. Product format, training and medical suitability all matter.

3 sources · FDA, NIHRead · 2 min →
Longevity & PerformanceLongevity

Personalized peptide treatment: what to ask before paying

A personalized recommendation needs a specific purpose, evidence and medical context. A large biomarker panel alone does not supply them.

4 sources · FDA, NIHRead · 2 min →
Trust & Safety

Semaglutide and gallbladder symptoms: when pain needs attention

Gallstones and gallbladder inflammation are labeled semaglutide risks. Persistent upper abdominal pain should not be dismissed as routine nausea.

1 source · NIHRead · 2 min →
Weight & Metabolic

Creatine and the scale: water weight is part of the picture

Creatine can increase body weight through water retention. How to describe a change without assuming it is fat regain or changing medication yourself.

3 sources · NIHRead · 2 min →
Weight & Metabolic

Fatigue during GLP-1 treatment: where vitamin B12 fits

Vitamin B12 deficiency can cause fatigue, but it is one possible explanation. Food intake, symptoms and risk factors guide testing.

3 sources · NIH, PubMed / PMCRead · 2 min →
Longevity & PerformanceLongevity

Crossing time zones with a treatment plan

Travel can disrupt sleep and medication routines. Plan around the exact product, storage instructions and itinerary before leaving.

2 sources · NIHRead · 2 min →
Weight & Metabolic

GLP-1 maintenance: what happens after reaching a goal?

Withdrawal trials show that weight regain is common after treatment stops. They inform maintenance planning but do not predict one person’s future.

3 sources · PubMed / PMC, NIHRead · 2 min →
Longevity & PerformanceLongevity

NAD+ support and blood sugar: separate the ingredients

NAD-related compounds have different evidence. A muscle insulin-sensitivity result is not the same as proven blood-sugar treatment.

3 sources · PubMed / PMC, NIHRead · 2 min →
Longevity & PerformanceLongevity

Biological-age tests: what the result does and does not mean

An aging-clock score is different from a routine clinical result. Understand the measurement and the decision it can support before paying.

3 sources · NIHRead · 2 min →