Ultra D with MycoFusion™: Vitamin D from Mushrooms

Ultra D with MycoFusion™: A Breakthrough in Full-Spectrum Vitamin D from Mushrooms

At WholeSun Wellness, innovation starts at the source. While most supplement companies are still offering isolated forms of vitamin D, we’ve gone further—combining the wisdom of nature with advanced extraction science. The result? Ultra D with MycoFusion™: the first of its kind full-spectrum vitamin D supplement that harnesses the power of mushrooms to deliver D2, D3, and D4 all in one complete formula.

Why Most Vitamin D Supplements Are Incomplete

The majority of vitamin D products on the market offer only one or two forms—typically synthetic D2 or D3. But nature produces more than that. Mushrooms are the only known natural source of vitamin D4, a rare and powerful compound that works in harmony with D2 and D3 to support multiple systems in the body.

Unlike other man-made formulas, our formula draws directly from nature. By using whole-food mushroom extracts, Ultra D delivers a full-spectrum D Complex—including vitamin D4, which functions like a “mothership” compound, offering structural and functional support to D2 and D3.*

What Makes Ultra D Different

Ultra D is powered by MycoFusion™, our proprietary blend of functional mushrooms chosen for their vitamin content, synergy, and bioactive richness:

• Shiitake – naturally high in vitamin D and ergosterol
• Maitake – prized for immune-supportive beta-glucans
• Agaricus blazei – supports cellular health and resilience
• Oyster mushrooms – a natural source of both D2 and D4

Each mushroom is extracted from the fruiting body, the most nutrient-dense part of the organism. That means no grain, no mycelium, and no fillers—just pure, potent mushroom power.

Our process preserves critical co-factors such as beta-glucans, ergothioneine, ergosterol, and vitamin K2, which works synergistically with vitamin D to guide calcium to the bones while protecting cardiovascular health.*

The Role of Vitamin D4: The Missing Link in Supplementation

Vitamin D4 (22-dihydroergocalciferol) is a naturally occurring compound that’s only found in mushrooms—you won’t find it in animal sources, fortified foods, or synthetic supplements.

D4 isn’t just another version of vitamin D. It plays a modulatory role, believed to enhance the bioavailability and effectiveness of D2 and D3 while supporting cellular signaling, immune balance, and inflammatory regulation.*

Think of it as the “mothership” of the D vitamin family—coordinating and amplifying the benefits of its counterparts. By including D4, Ultra D provides a more complete, intelligent nutrient profile that reflects the way these compounds exist in nature.

Who Is Ultra D For?

If you’re looking for more than the standard vitamin D capsule, Ultra D is made for you:

• Athletes seeking optimal recovery and immune balance
• Professionals looking for clean, plant-based health solutions
• Individuals wanting a deeper, more complete form of D support
• Anyone avoiding synthetic ingredients and filler-loaded formulas

Ultra D with MycoFusion™ Highlights

• Full D Complex: D2, D3, and D4 from mushrooms
• 100% Fruiting Body Extracts: No grain, no filler, no mycelium
• Rich in Bioactive Nutrients: Beta-glucans, ergothioneine, K2, amino acids
• Supports: Immune health, bone strength, mood, and cognition*
• Produced in the USA: USDA-certified facility, no binders or synthetics

When it comes to your health, don’t settle for incomplete solutions. Choose a supplement that reflects the complexity and intelligence of nature—Ultra D with MycoFusion™.

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.