Marcia Cripe

Michigan, United States
Marcia E. Cripe, RN, is the founder of GLP Logic. Licensed since 2008, her clinical background spans acute care, home health, wound care, and geriatric care management. She currently works as an RN Intake Coordinator for an inpatient rehab facility.
30
Aug
Title graphic for “Why Is My Skin So Dry on a GLP-1?” from GLP-1 Logic.

Why Is My Skin So Dry on a GLP-1 — and How Do I Repair My Skin Barrier?

Dry skin is increasingly reported by people taking GLP-1 medications, but dehydration isn't the only possible reason. Here's what may be happening to your skin—and why drinking more water may not completely fix it.
11 min read
30
Aug
Title graphic for “For Three Months, All I Wanted Was Hard-Boiled Eggs” from GLP-1 Logic.

For Three Months, All I Wanted Was Hard-Boiled Eggs

I never particularly liked hard-boiled eggs. Then, for several months after starting tirzepatide, they became one of the few foods I consistently wanted to eat. Just as strangely, the preference disappeared. I still don't know why—and that's exactly why I wanted to document it.
8 min read
30
Aug
Title graphic for “What to Do When You Don’t Feel Like Eating on a GLP-1” from GLP-1 Logic.

What to Do When You Don’t Feel Like Eating on a GLP-1

When a GLP-1 suppresses your appetite so much that eating becomes difficult, waiting to feel hungry may stop working. Here’s how to prioritize nutrition, make eating easier and know when low intake needs more attention.
12 min read
29
Aug
Title graphic for “How Much Protein Do You Need on a GLP-1?” from GLP-1 Logic.

How Much Protein Do You Need on a GLP-1?

Protein matters during GLP-1 weight loss, but more isn’t automatically better. Here’s what the evidence says about protein targets, muscle preservation, meal timing and resistance training.
14 min read
28
Aug
Title graphic for “Why Am I Hungry on Day 5 of Tirzepatide?” from GLP-1 Logic.

Why Am I Hungry on Day 5 of Tirzepatide?

Hunger or food noise returning on Day 5–7 of tirzepatide is commonly reported. Learn what its five-day half-life actually means—and what it doesn’t.
5 min read
28
Aug
Title graphic for “What Is Food Noise? Why GLP-1s Can Change the Drive to Eat” from GLP-1 Logic.

What Is Food Noise? Why GLP-1s Can Change the Drive to Eat

Food noise isn’t simply hunger. Here’s what researchers now mean by the term, how GLP-1 medications can change eating behavior, and what science still can’t explain.
10 min read
28
Aug
Title graphic for “When 5 mg of Tirzepatide Changed Everything” from GLP-1 Logic.

When 5 mg of Tirzepatide Changed Everything

My first month on tirzepatide was surprisingly subtle. Then I moved to 5 mg. I wasn't simply less hungry—the drive to eat seemed to disappear, and for the first time I understood that wanting food and physical hunger weren't necessarily the same thing.
5 min read
28
Aug

Retatrutide Clinical Trials and Results: What We Know So Far

See the latest retatrutide trial results, including TRIUMPH-1, -2, -3 and -4, weight-loss data, safety, FDA status and the upcoming tirzepatide comparison.
13 min read
26
Aug
Title graphic for “My First Four Weeks on Tirzepatide” from GLP-1 Logic.

My First Four Weeks on Tirzepatide

I expected my first tirzepatide injection to feel like the beginning of something dramatic. Instead, the first four weeks were surprisingly quiet: very little nausea, subtle changes in appetite and a lot of wondering whether the medication was doing anything at all.
4 min read
25
Aug
Title graphic for “Why I Started Tirzepatide at 230 Pounds” from GLP-1 Logic.

Why I Started Tirzepatide at 230 Pounds

By May 10, 2024, I weighed about 230 pounds. There wasn't one dramatic moment that made me start tirzepatide. It was years of weight gain, exhaustion, avoiding photos and feeling less like myself in my clothes—and finally realizing I was ready to try something different.
6 min read