🦋 Thyroid & Metabolic Rate Screener

Assess whether cold intolerance, unexplained weight retention, sluggish digestion, and brain fog point toward reduced thyroid function or poor T4-to-T3 conversion.

1. Temperature Regulation & Thermal Comfort:

Comfortable in normal temperatures; warm hands and feet

Chronically cold hands/feet, sensitive to cold drafts, low waking body temperature

Cold intolerance specifically during stress, diet restriction, or late in the afternoon

2. Energy, Cognition & Mood:

Consistent mental clarity and stable energy throughout the day

Persistent morning lethargy, heavy brain fog, feeling sluggish despite full sleep

Energy crashes after exercise or mental exertion, low motivation, mild low mood

3. Physical Markers, Hair & Skin Health:

Normal skin moisture, healthy hair density and nail growth

Thinning of the outer third of eyebrows, dry skin, brittle nails, puffy face/eyes in the morning

Diffuse hair shedding, slow recovery after workouts, stubborn weight gain despite calorie control

4. Digestion & Bowel Motility:

Regular daily bowel movements without straining

Sluggish digestion, chronic constipation, slow transit time

Alternating digestive motility, bloating after meals, slow stomach emptying