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Stronghold Daily Strength Nutrition
Complete muscle nutrition in one daily drink
Supports muscle protein synthesis, mitochondrial health, muscle endurance, bone density, energy production, and nerve function — all in one daily drink.
Mix one scoop into 8-10oz of cold water and stir or shake. Take it every morning. No blender required, no chalky texture.
Every ingredient is chosen based on peer-reviewed research in adults over 50. Clear whey protein, creatine, HMB, urolithin A, vitamin D3, K2, and magnesium. No artificial colors or sweeteners. Third party tested.
The Stronghold Promise:
- Free shipping
- 90-day money-back guarantee
- Pause or cancel subscription anytime
How Stronghold compares
| Stronghold | Ensure | Multivitamin | Protein Shake | |
|---|---|---|---|---|
| Clear whey protein |  | Soy protein |  | Rarely |
| Creatine monohydrate | | | | |
| HMB | | | | |
| Urolithin A | | | | |
| Vitamin D3 + K2 | | | | |
| Magnesium | | | | |
| No added sugar | | | | |
| Peer-reviewed research | | | Sometimes | |
In every serving
| Calories | 90 |
| Protein (clear whey isolate) | 20g |
| Creatine monohydrate | 5g |
| HMB | 3g |
| Urolithin A | 500mg |
| Vitamin D3 | 2000 IU |
| Vitamin K2 | 100mcg |
| Magnesium | 400mg |
| Sugar | 0g |
Science behind Stronghold
Muscle endurance improvement
Urolithin A supplementation showed up to 26% improvement in muscle endurance in a 4-month randomized clinical trial
See the study ↗Protein per serving
Shown to increase skeletal muscle mass, improve gait speed, and reduce inflammation in adults with age-related muscle loss
See the study ↗Gain in lean body mass
Creatine combined with exercise showed an average gain of 3 lbs lean body mass (primarily muscle tissue) in a study with older adults
See the study ↗What's inside
Clear Whey Protein
20g of protein isolate per serving. Mixes like juice, not a thick shake. Supports daily muscle protein synthesis.†
Creatine Monohydrate
The most studied sports supplement in history. Supports strength, power output, and cognitive function.†
HMB
Helps prevent muscle breakdown, especially important during periods of reduced activity or caloric deficit.†
Urolithin A
A postbiotic that activates mitophagy — clearing damaged mitochondria and building new ones in muscle cells.†
Vitamin D3 + K2
Essential for calcium absorption, bone density, and muscle function. Most adults over 50 are deficient.†
Magnesium
Supports over 300 enzymatic reactions including muscle contraction, nerve function, and energy production.†
Frequently asked questions
Stronghold is designed for active adults 50 and older who want to maintain muscle strength, energy, and independence as they age. Whether you're hiking, playing pickleball, chasing grandkids, or simply want to keep doing everyday things without slowing down, Stronghold delivers the clinical nutrition your body needs in one daily drink. It's also a fit if you're on GLP-1 medications and want to protect against muscle loss during weight loss. Not suitable for anyone under 18 or those who are pregnant or breastfeeding.
Mix one scoop into 8-10oz of cold water and stir or shake. That's it. Stronghold uses clear whey protein isolate, so it mixes like juice, no blender required, no chalky texture, no milky thickness. Take it every morning as part of your daily routine.
Many customers report improved energy and reduced fatigue within the first 2-3 weeks. Creatine saturates your muscles over approximately 3-4 weeks of daily use. Clinical trials on urolithin A showed measurable improvements in muscle endurance at 2 months, with continued gains through 4 months. Consistency is what matters most, the benefits build over time.
Stronghold contains natural food-derived ingredients and is generally well-tolerated alongside most medications. However, you should always consult your provider before starting. We always recommend bringing the ingredient label to your next appointment.
The whey protein is derived from dairy, so it is vegetarian but not vegan. Every other ingredient: creatine, HMB, urolithin A, vitamins D3, K2, and magnesium, contains no animal products.
Light, slightly fruity, and not too sweet. We use clear whey protein isolate (not the thick, creamy kind), natural flavor, a touch of stevia, and freeze-dried raspberry.
If you're not satisfied within 90 days of your first order, we'll refund you in full, no questions asked, guaranteed. We'd rather you try it with zero risk than wonder if it works.
Try it risk-free for 90 days
If you're not satisfied within 90 days of your first order, we'll refund you in full, no questions asked. We'd rather you try it with zero risk than wonder if it works.
