5 Signs You're Not Getting Enough Protein | Women's Health (2026)

Are you falling short on protein without even realizing it? It’s a common issue, and the signs might be subtler than you think. Protein isn’t just a buzzword—it’s the unsung hero of your body’s daily functions, from building muscle to fueling your metabolism. But here’s where it gets tricky: How much is enough? Experts agree it’s essential, but the ‘right’ amount varies wildly depending on your lifestyle, activity level, and even your genetics. And this is the part most people miss: You could be following all the advice and still not meeting your body’s unique needs.

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Protein is more than just a macronutrient—it’s the foundation for nearly everything your body does. Jessica Cording, RD, CDN, and author of The Little Book of Game-Changers, puts it perfectly: ‘Protein is the cornerstone of bodily processes. It supports hair, skin, and nail health, builds and repairs tissues, strengthens connective tissue, and keeps you feeling full—and that’s just the tip of the iceberg.’ But with so many conflicting opinions on daily intake, it’s easy to feel overwhelmed. Your fitness influencer might swear by 130 grams a day (like this plan from Women’s Health: High-Protein Groceries), while your health-conscious friend insists 50 grams is plenty. So, who’s right? The truth is, it’s personal—and if you’re active, your needs skyrocket.

Controversial take: While the general recommendation is 25 to 30 grams of protein per meal (as Keri Gans, RDN, and author of The Small Change Diet, suggests), most people pile it all into dinner and neglect the rest of the day. But here’s the catch: Your body doesn’t store protein. It breaks it down into amino acids, which are used to repair tissues and fuel your body. So, skipping protein at breakfast or lunch could leave you deficient, even if you’re hitting your daily target.

But how do you know if you’re falling short? Experts reveal 5 red flags that signal your protein intake needs a boost—and some of them might surprise you.

Meet the Experts:
- Jessica Cording, RD, CDN: Author of The Little Book of Game-Changers (Amazon).
- Keri Gans, RDN: Author of The Small Change Diet (Amazon).
- Gary Goldenberg, MD: Assistant Clinical Professor of Dermatology at Icahn School of Medicine at Mount Sinai Hospital (Website).

1. You’re Always Hungry
Ever finish a meal only to feel hungry again an hour later? This is a classic sign of protein deficiency, says Cording. Protein is the ultimate satiety nutrient—it keeps you full longer. If you’re constantly reaching for snacks, it’s time to reassess your protein intake. ‘I always check protein levels when someone tells me they’re hungry all the time,’ Cording notes.

2. Slow-Healing Wounds
Cuts and scrapes taking forever to heal? Protein is critical for wound repair, as it provides the building blocks for new tissue and collagen. Without enough, your body struggles to recover. ‘Inadequate protein can slow down the healing process,’ Cording explains.

3. No Muscle Gains Despite Hitting the Gym
Lifting weights but not seeing results? Protein is non-negotiable for muscle growth. While exercise is key, without enough protein, your muscles won’t have the fuel to grow. If you’re stuck, consider adding a protein powder to your routine. Women’s Health recommends these top picks: Best Protein Powders for Women.

4. Unexplained Hair Loss
Hair loss is complex, but protein deficiency could be a sneaky culprit. Dr. Goldenberg explains, ‘Hair follicles cycle through growth phases, and proteins are essential for this process. Without enough, new follicles can’t form, leading to hair loss.’ While increasing protein often helps, some cases may require long-term solutions.

5. Brittle Nails
Nails are made of keratin, a protein. If your nails are dry, fragile, or constantly breaking, low protein intake could be to blame. Pairing protein with vitamins like biotin, vitamin E, and calcium (found in nuts, veggies, and eggs) can strengthen nails further.

How to Boost Your Protein Intake
Feeling overwhelmed by the 25-30 gram goal? Start small, Cording advises. Add a dollop of Greek yogurt to your breakfast, toss cottage cheese into scrambled eggs, or blend collagen powder into your coffee. Gans suggests prioritizing protein at breakfast with options like eggs, tofu, or smoked salmon. For more ideas, check out Women’s Health’s protein-packed recipes: Cottage Cheese Recipes.

Controversial Question: Is it better to get protein from whole foods or supplements? While whole foods offer additional nutrients, supplements like protein powders can be a convenient way to meet your goals. What’s your take? Let us know in the comments!

Women’s Health-Approved Protein Powders:
- Plant-Based Protein Powder (Chocolate): $29.97 at Amazon.
- Essential Protein Daily Shake (Pregnancy & Postpartum): $49.00 at Ritual.
- RecoveryPro: $56.00 at Amazon.

Final Thought: Protein isn’t just for bodybuilders—it’s for anyone who wants to feel strong, energized, and healthy. Are you getting enough? Or is it time to rethink your plate?

5 Signs You're Not Getting Enough Protein | Women's Health (2026)
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