


Advanced Probiotics
$36.99
- Immune Strength
- Healthy Gut Microbiome
- Digestive Regularity
- Third Party Tested
- NON-GMO
- Gluten-Free
- Dairy-Free
- cGMP Facility Certified
Advanced Probiotics is a powerful formula designed to support gut health, digestion, and overall wellness. With 12 carefully selected probiotic strains and 15 billion CFUs, this daily essential promotes digestive regularity, balances the microbiome, strengthens immunity, and enhances nutrient absorption for full-body vitality.
- Balances gut flora for optimal digestive health
- Strengthens the immune system to help ward off illness
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Promotes nutrient absorption for full-body wellness
As a dietary supplement, take 1 capsule daily or as directed by your healthcare provider.
30-Day Satisfaction Guarantee and Return Policy
We offer a 30-day money-back guarantee. If you’re unsatisfied with the product for any reason within 30 days, we’ll provide a full refund for the product cost. The product should be returned, at the customer’s expense, to Returns – Greens First, 990 S Rogers Circle, Ste 3, Boca Raton, FL 33487. Please ship using a trackable method — we cannot issue a refund for a product that isn’t received. Greens First’s 30-Day Satisfaction Guarantee is available only for products purchased from First Health FL LLC.
What Healthcare Providers are Saying
"I always recommend Greens First Vitamin C and D3+K2 to my patients, especially during flu season. These supplements are clean, effective, and backed by science. It feels so good to know I’m recommending products that really work."
Dr. Dan Beeson, DC
"Greens First feels like a partner in my practice. They’ve been trusted for years, and I love how they prioritize quality and research. My patients know they’re getting the best with Greens First, and that means a lot to me."
Mitchell Benson, MD
"Helping my patients feel their best long-term is my goal, and Greens First has become a key part of that. Their products are perfect for boosting energy, supporting immunity, and promoting overall vitality. It’s exciting to see the positive changes in my patients."
Dr. Sasson Moulavi, MD
"I’ve seen how gut health impacts overall well-being, and Greens First Probiotics is a product I trust completely. The difference it makes for my patients is incredible—better digestion, less bloating, and a noticeable boost in energy. It’s become a staple in my practice."
Nicole Melillo
"Nutrition can feel overwhelming, but Greens First makes it so simple. I’ve had patients tell me that adding their greens powder to their daily routine was the easiest and most impactful change they’ve made. It’s so rewarding to see people feel better so quickly."
Natasha Turner, ND
New York Times Bestselling Author of The Hormone Diet and Supercharged Hormone Diet
"I’ve been recommending Greens First for years because I know they care as much about my patients’ health as I do. From their greens powders to their supplements, everything they create is designed to truly make a difference. My patients notice the results, and that’s what matters most."
Paul Mahowald
Weight Loss Specialist
"I’ve seen so many patients struggle with joint pain, and Greens First Joint Health First has been a lifesaver for many of them. It’s gentle but effective, and patients often tell me how much better they feel after just a few weeks. I can’t recommend it enough."
Dr. Robert Klein, DC
“It’s rare to find a supplement brand that’s so transparent about what goes into their products. Greens First stands out because of their commitment to clean, non-GMO ingredients. I always feel confident recommending their products—they’re safe, effective, and my patients trust them.”
Dr. Mike Staffen, DC
"As a healthcare provider, I’m constantly searching for ways to help my patients feel their best. Greens First Greens Powder is my go-to recommendation—it’s packed with nutrients, tastes amazing, and fits easily into even the busiest routines. My patients love it, and so do I."
Lori Thomson, DC
"Stress is such a huge factor in my patients’ health, which is why I love recommending Greens First Magnesium Glycinate. It’s been a game-changer—helping my patients sleep better, feel calmer, and truly recharge. They often tell me they didn’t realize how much they needed it."
Dr. Sandy Roga, DC