50,000 IU. The dose that
actually moves the needle.
Vitamin D deficiency is one of the most common nutrient shortfalls in the country, and one of the most underdiagnosed. Most people who take a daily D3 supplement get 1,000 to 5,000 IU, enough for maintenance but rarely enough to correct a deficiency. Low Vitamin D shows up as fatigue, low mood, weakened immunity, and poor bone density, often written off as something else.
Our Vitamin D3 booster delivers 50,000 IU intramuscularly, a therapeutic dose that goes directly into your system for immediate use. For anyone who's deficient, this single booster can do what months of daily supplements haven't.
What this booster
actually does.
Immune system regulation
Vitamin D is one of the most important nutrients for immune function, supporting your immune cells and helping regulate the body's response to infection and inflammation.
Mood and mental health support
D3 is directly involved in the brain chemistry that regulates mood. Low levels are consistently associated with low mood, low motivation, and seasonal changes.
Bone density and calcium absorption
Without adequate Vitamin D, your body can't properly absorb calcium no matter how much you consume. D3 is the key that makes calcium actually work.
Energy and fatigue reduction
Vitamin D plays a role in how your cells and muscles produce energy. Correcting a deficiency can meaningfully improve energy and reduce unexplained fatigue.
A corrective dose in one visit
50,000 IU IM delivers what months of 2,000 IU daily supplements often can't, a dose that actually shifts your levels rather than just maintaining them.
Signs your levels
are running low.
Bloodwork showed low Vitamin D
If your doctor flagged a deficiency on labs, a 50,000 IU dose is the standard correction. One booster delivers what months of daily supplements can struggle to match.
Fatigue without a clear cause
Low Vitamin D is one of the most overlooked causes of persistent fatigue. If you've had your thyroid and iron checked and everything looks fine, D deficiency is worth investigating.
Low mood or seasonal changes
Vitamin D plays a direct role in the brain chemistry behind mood. Deficiency is strongly associated with low mood and seasonal patterns, particularly for people who spend most of their time indoors.
Supporting bone and joint health
Vitamin D is essential for calcium absorption. Without adequate D3, your body can't properly use the calcium you consume, leading to bone density loss over time.
Immune system support
Vitamin D supports virtually every immune cell. Adequate D3 helps regulate your immune response, supporting both your ability to fight infection and your protection against overactive immune reactions.
What's in the syringe.
One booster. The dose
that actually works.
No appointment needed. $29 a la carte, or add it to any drip. Vitamin D pairs well with our Immunity Plus drip or Myers' Plus for comprehensive immune and wellness support.