10 Best Optimal D3 120 Capsules of December 2025

• VITAMIN D-3 BENEFITS. Support the maintenance of healthy calcium and phosphorus levels in the body for strong bones. It also supports muscle strength in older adults, and it also plays an active role in a healthy immune response.
• SUGGESTED USE. 1 capsule daily with a meal.
• MAXIMIZE YOUR INTAKE. Vitamin D-3 (cholecalciferol) is the optimal form of vitamin D. It is the form of vitamin D that the body manufactures in sunlight, and the form most efficient for the body's needs.
• TRUSTED FOR OVER 35 YEARS. Source Naturals was created in 1982 by CEO Ira Goldberg to support each individual's potential to enjoy optimal health.
• MANUFACTURED IN THE USA. Our facility is located in Scotts Valley California.

Source Naturals

• A Great Addition to Your Self-Care Routine: Life gets busier and aging is inevitable. This is why taking care of yourself should always be the utmost priority! Be at ease because our premium Women’s Multivitamin is here, which you can add to your daily self-care routine. This multivitamin is packed with 23 vitamins & minerals, antioxidants, probiotics, enzymes, as well as organic fruit & vegetable extracts to support your energy and vitality. It’s the supplement you need to keep you going!
• Healthy Self, Healthy Life: Our Women’s Multivitamin helps strengthen the immune system, promotes healthy metabolism, supports your vital functions, and gives you a healthy glow. Equipping yourself with this amazing daily supplement can help protect your cells from free radicals, provide the all-day energy you need, and fill the nutritional gaps in your diet. Give yourself a great advantage to achieve vitality, longevity, and overall wellness!
• Support the Superwoman in You: Incorporate our Multivitamins for Women in your every day lifestyle so you can continuously empower the superwoman that you are. Our carefully selected ingredients help support your body to function optimally, enhance your stamina, and improve your immunity & gut health. Our multivitamin is also made with antioxidants, organic whole foods, and a Women’s Health Blend for your specific needs.
• Pure Quality, Optimal Results: At Purely Optimal, our mission is to help people live longer, happier, and healthier lives. Each product is made in the United States in a GMP certified facility and is 3rd party lab tested. We stand behind our product’s safety and quality and if you’re not satisfied with the product for any reason, let us know and we’ll make it right.
• Helping Families, Changing Lives: When children are given the chance to grow up healthy, they have the chance to dream; to live with the potential to chase every opportunity because they’re physically and mentally fit. Every purchase of a Purely Optimal product contributes to life-saving vitamins and minerals for children and mothers in need through our partnership with Vitamin Angels. By choosing Purely Optimal, you’re choosing to make a difference!

Purely Optimal

• SUPPORTS BONE HEALTH/PLUS CARDIOVASCULAR SUPPORT: NOW Vitamin D-3 & K-2 veggie capsules combine two nutrients extensively researched for their contribution to the health of bones, teeth, and the cardiovascular system.
• Product Note: Exposure to heat or sunlight may lead to melting/damage of product. Hence customers are expected to be available during the product delivery
• 1,000 IU/45 mcg: Recent studies indicate that Vitamin D-3 may play a role in proper insulin action and glucose metabolism and has an important function within the immune system. Vitamin K is critical for the formation of a healthy, strong bone matrix.
• CERTIFICATIONS/CLASSIFICATIONS: Non-GMO, Kosher, Soy Free
• GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation).
• Packaged in the USA by a family owned and operated company since 1968
• During the summer months products may arrive warm but Amazon stores and ships products in accordance with manufacturers' recommendations, when provided.

NOW

• Bone Health: Vitamin D3 supports calcium absorption and retention to support optimal bone health.*
• Prostate and Breast: Promotes colon, breast, and prostate health by helping maintain healthy blood vessel function, supporting immune cell activity, and maintaining healthy cell metabolism.*
• Immune Support: Binds to receptors on immune cells, including lymphocytes and macrophages, supporting healthy immune function.*
• Pure Quality: Our supplements are made with only premium ingredients sourced from trusted suppliers and guided by our nutritional experts, then carefully manufactured and tested to verify their potency and purity.
• Pure Difference: What makes us different isn't just our process or what goes into our supplements - what we leave out matters, too. Pure Encapsulations products are FREE FROM wheat, eggs, tree nuts & peanuts, gluten, artificial colors, flavors & sweeteners, coatings and shellacs, GMOs, and unnecessary binders, fillers & preservatives.

Pure Encapsulations

• Deal Supplement all-in-one optimal quercetin capsules. A complete immune defense 7 in 1 complex designed to target all sides of the immune system. Combining top grade active ingredients that are some of the most essential immune nutrients needed. Creating one of the highest bioavailable immune formulas to achieve complete immunity.
• The ultimate seasonal health and wellness formula that contains all the general health daily fundamentals your body needs inside one product. Each ingredient has been carefully selected, using the most effective forms possible. Combining 1000mg quercetin dihydrate, 100mg vitamin C as ascorbic acid, 125mcg of vitamin D3 as cholecalciferol, and 50mg each of zinc picolinate, rose hips fruit as rosa canina, echinacea root as echinacea purpurea, and elderberry as sambucus nigra.
• Each bottle contains 120 potent capsules with 2 capsules per serving and 60 total servings. No need to spend money on multiple products, Deal Supplement’s optimal quercetin has benefits for mens health and womens health with important vitamins, trace minerals, antioxidants, anti-inflammatories, and active herbs.
• Your new go-to immunity powerhouse. Designed for year round support to keep the whole family healthy. A powerful formula that includes some of the most widely used nutrients for immune health. Working synergistically with each other to maximize all benefits offered.
• Quality Ensured – 3rd party lab tested Non GMO powder ingredients, made without gluten, dairy, eggs, peanuts, soy, fish, wheat, yeast, and tree nuts.

DEAL SUPPLEMENT

• Premier plant-sourced vitamin D3 and vitamin K2
• Clinical dosage levels - 5,000 IU of D3 and 180 mcg of K2 per capsule
• Supports bone and cardiovascular health
• One-of-a-kind vegan blend of vitamin D3 with K2
• Significantly increase vitamin D3 and vitamin K2 intake without consuming animal byproducts
• Quantum Quality - Doctor-formulated, nature-sourced nutritional products to empower you and your family for a lifetime. Pristine-state ingredients sourced from trusted suppliers; are expertly manufactured and tested for a full range of purity and potency
• Nutrition that really works - Ultra-pure, high-quality products laboratory-tested in our world class cGMP, NSF, USP facility. Made with quantum quality ingredients without “junk” fillers, stearates, or artificial colors/flavors
• Our green thumb - Our “dark-green” facility is super environmentally friendly: more than 600 solar panels, nontoxic paint, clay tile flooring, natural indoor lighting, chemical-free fertilizers, recycled packaging & more. We also help support non-profit partners

Premier Research Labs

• Nervous System: Promotes an optimally functioning nervous system and healthy nerve cells
• Cellular Energy: B vitamins promote cellular energy production by supporting the conversion of carbohydrates into energy, as well as the metabolism of fats and proteins
• Complete Formula: An optimal balance of eight B vitamins, plus choline, in their active form to enhance absorption in the body
• Free From: Doesn't contain gluten, eggs, tree nuts, peanuts, dairy, yeast, soy, fish, or shellfish
• Trusted: Thorne is chosen by champions and trusted by 100+ pro teams. Thorne is the only supplement manufacturer to collaborate with Mayo Clinic on wellness research and content. Thorne is also a proud partner of 11 U.S. Olympic Teams

Thorne Research

• A SUPPLEMENT BRAND YOU CAN TRUST: No more searching for a supplement line that has EXACTLY what it says it has on the label. It doesn't have to be complex to find the fresh nutrients you want. At Elite Life Nutrition your health and safety is our #1 concern. We produce only the highest quality supplements in our state-of-the-art, GMP-Certified facilities and make sure that what we put in each and every bottle is EXACTLY what you need. Our supplement purity and quality is second to none.
• NOT YOUR AVERAGE VITAMIN D: Unlike so many other brands of vitamin D supplements that use inferior tablets with additives, heavy metals, and extra non-absorbable ingredients, each one of our bioavailable capsules contains 5000IU of pure Vitamin D for optimum absorption and effect.
• BENEFITS: Vitamin D is a powerful vitamin that supports healthy brain, heart, and muscle function. It also supports healthy bone production and immune system function. Vitamin D is also responsible for the expression of over 2,000 genes throughout the body. In fact, a Vitamin D supplement like ours is critical to support your peak health and performance for many years to come.*
• MANUFACTURED IN THE USA: All of our products are Made in America in a GMP-Certified facility under the highest possible standards and they're all third-party tested for purity and quality.
• CUSTOMER CARE PROMISE: Elite Life Nutrition offers complete customer satisfaction. Our reviews speak for themselves. If for any reason you are not absolutely thrilled with your product we will replace or refund your order, no questions asked. CONTACT US directly within 30 days of purchase and we will take care of you. We love to help!

Elite Life Nutrition

• Vegan, Non-GMO, Gluten-free & Gelatin-free: Each bottle of Goli contains 60 delicious, vegan, non-gmo, gluten-free & gelatin-free Apple Cider Vinegar gummies, which makes them suitable for almost any lifestyle.
• Made in the USA with locally and globally sourced ingredients. Goli Gummies are made in allergen-free, cGMP certified facilities in the United States with local and globally sourced ingredients to ensure that our products are reputable and of the highest quality standards.
• Patented Formula, Essential Vitamins, Great Taste: Our patented formula contains essential Vitamins B9 and B12 to help support cellular energy production, immune function, heart health, healthy nutrient metabolism, a healthy nervous system and overall health and wellbeing. Apple Cider Vinegar has traditionally been used for digestion, gut health and appetite. Our unique flavor profile combined with essential vitamins makes Goli ACV Gummies a delicious addition to your daily health routine.
• Vitamin Angels: Goli is a proud supporter of Vitamin Angels

Goli

• One Weekly Vitamin D supplement

Optimal D3