Book A Call
Book A Partner Call

Optimal Reading

Latest article

GLP-1 and Blindness: What the New FDA Warning Means

Understand the new FDA GLP-1 eye warning, NAION risk, diabetic retinopathy, and when vision changes need urgent care.
Read Latest Article
GLP-1 and Blindness: What the New FDA Warning Means
Showing 1035 Articles
Vicky Garcia x 1st Optimal: Helping Women Over 40 Build Stronger Bodies Through Fitness, Nutrition, Hormone Health & Functional Medicine
  • 1st Optimal Partnerships

Vicky Garcia x 1st Optimal: Helping Women Over 40 Build Stronger Bodies Through Fitness, Nutrition, Hormone Health & Functional Medicine

Because feeling strong, confident, and healthy after 40 should be the expectation, not the exception. For many women, turning 40 comes with a realization: the fitness and nutrition strategies that worked in their 20s and 30s may no longer deliver the same results. The workouts are still happening. The meals are healthier. The effort is […]

Read More
Thyroid and Perimenopause: Why the Symptoms Are Easy to Confuse
  • Thyroid Health

Thyroid and Perimenopause: Why the Symptoms Are Easy to Confuse

You’re in your 40s. You’re exhausted even after a full night’s sleep. Your weight is changing despite eating the same way you always have. Your hair seems thinner, your concentration isn’t what it used to be, and some days, your mood feels completely unpredictable. So, what’s going on? Is it perimenopause? An underactive thyroid? Stress? […]

Read More
Tiffany Davis x 1st Optimal: Bringing Hormone, Thyroid and Gut Health Into One More Connected Approach
  • 1st Optimal Partnerships

Tiffany Davis x 1st Optimal: Bringing Hormone, Thyroid and Gut Health Into One More Connected Approach

There comes a point when “try harder” stops being useful health advice. You are eating better. You are training consistently. You care about your health. Maybe you track your food, take supplements, prioritize protein, walk every day, lift weights and try to get enough sleep. Yet something still feels off. Your energy is unpredictable. Your […]

Read More
Thyroid Medication and Weight Loss: What Patients Should Realistically Expect
  • Thyroid Health

Thyroid Medication and Weight Loss: What Patients Should Realistically Expect

If you have hypothyroidism and struggle with your weight, starting thyroid medication can feel like the moment everything should finally change. Your metabolism has been slow. You have been tired. Exercise feels harder than it used to. The scale has been moving in the wrong direction even though your habits may not have changed much. […]

Read More
Resting Heart Rate vs. HRV: Which Is More Useful for Recovery?
  • Functional Health & Longevity

Resting Heart Rate vs. HRV: Which Is More Useful for Recovery?

If you wear an Apple Watch, Garmin, Oura Ring, WHOOP, or another fitness tracker, you may wake up every morning to a collection of numbers telling you how “recovered” you are. Two of the most common are resting heart rate (RHR) and heart rate variability (HRV). Both can provide useful information about how your body […]

Read More
Insulin Resistance and Longevity: Why Metabolic Health Drives Healthy Aging
  • Functional Health & Longevity

Insulin Resistance and Longevity: Why Metabolic Health Drives Healthy Aging

Most people think about longevity in terms of living longer. But the more important question may be: How well will your body function during those extra years? Will you maintain your strength, energy, cognitive function, cardiovascular health, and independence? Or will more of those years be spent managing chronic disease? One factor that may influence […]

Read More
Menopause and Muscle Loss: What the New Research Actually Shows About the “Muscle Cliff”
  • Women’s Health & Hormones

Menopause and Muscle Loss: What the New Research Actually Shows About the “Muscle Cliff”

Women are often told that menopause causes muscle mass to suddenly “fall off a cliff.” The newest research suggests a more interesting and more useful story. Menopause does not appear to trigger a catastrophic, irreversible loss of muscle. Aging explains a meaningful part of the differences seen between younger and older women. But longitudinal research […]

Read More
How Fast Are You Aging? Biological Age vs. Chronological Age Explained
  • Functional Health & Longevity

How Fast Are You Aging? Biological Age vs. Chronological Age Explained

You know your age. It is the number on your driver’s license, the candles on your birthday cake, and the number of years since you were born. But that number does not tell the whole story. Two people can both be 45 years old and have dramatically different cardiovascular health, metabolic function, muscle mass, inflammation […]

Read More
Low Progesterone Symptoms During Perimenopause
  • Women’s Health & Hormones

Low Progesterone Symptoms During Perimenopause

Perimenopause can feel unpredictable. One month your period arrives right on schedule. The next it is late, unusually heavy, or barely there. You may start waking up at 3 a.m., feeling more irritable before your period, or wondering why symptoms that never bothered you before suddenly seem amplified. One hormone that often comes up in […]

Read More

BLACK FRIDAY • NEW MEMBERs

15% OFF + FREE HORMONE LAB

New to 1st Optimal? Start your health journey by saving big with this exclusive Black Friday offer. Receive 15% off your first purchase AND free hormone lab work.

Offer ends November 30

Terms, conditions, and exclusions apply.

WHERE SHOULD WE SEND YOUR CODE?

Privacy Policy | Terms & Conditions

BLACK FRIDAY • NEW MEMBERs

15% OFF + FREE HORMONE LAB

New to 1st Optimal? Start your health journey by saving big with this exclusive Black Friday offer. Receive 15% off your first purchase AND free hormone lab work.

Offer ends November 30

Terms, conditions, and exclusions apply.

WHERE SHOULD WE SEND YOUR CODE?

Privacy Policy | Terms & Conditions
Chat with OptimUS