Sports Research ® Extra Strength Choline 800 mg - Essential Nutrient Featuring VitaCholine ® for Focus Support - Vegan Certified • Non-GMO • Gluten Free - 60 Liquid Capsules

Clinical trials typically use Varies by ingredient — see individual ingredient pages for specific dosing. Sports Research Extra Strength Choline 800mg delivers 800mg choline per day (2 capsules); 60 capsules per bottle — 30-day supply, which we classify as Blend relative to that range.

See the "Also consider" section below for two alternatives. Choose based on form preference (Liquid Veggie Capsule vs alternatives), dose adequacy, and third-party testing.

Yes — Non-GMO Project Verified; Vegan Certified; cGMP manufactured; third-party tested per SR quality protocol. Third-party testing verifies ingredient identity and label accuracy.

Yes — Amazon Subscribe & Save is available for this product. Enrolling locks in a recurring delivery at a reduced per-unit price.

Choline at supplemental doses has minimal known drug interactions. It should be used cautiously alongside cholinergic medications (acetylcholinesterase inhibitors like donepezil) as additive cholinergic effects are possible. Individuals taking medications for bipolar disorder or depression should consult their physician, as high-dose choline may affect mood in some cases.

Long-term choline supplementation at 800mg/day is well below the established upper tolerable intake level of 3500mg/day for adults. Doses exceeding 2000mg/day are associated with fishy body odor, GI distress, low blood pressure, and excessive sweating, but 800mg/day sits comfortably within a safe range for most adults with long-term daily use.

At 800mg/day, GI side effects are uncommon. Higher doses of choline (1g+) can cause nausea, diarrhea, or a fishy body odor from TMAO conversion — this is less likely at the 800mg level used here. Taking with food significantly reduces the chance of stomach discomfort.

Choline works synergistically with B12, folate, and inositol — stacking with a B-complex is a common and logical combination. Avoid combining with other high-dose choline supplements (Alpha GPC, CDP-choline, lecithin) simultaneously as total choline intake can accumulate to levels associated with TMAO and trimethylamine odor effects.

Take two liquid veggie capsules per day with food, or as directed by a healthcare professional. Do not exceed the recommended dose unless under medical supervision. Pregnant women may benefit from higher choline intake (450-930mg/day during pregnancy) but should do so under physician guidance.

Choline's role in acetylcholine synthesis means effects on focus and cognitive clarity may be noticeable within days for individuals who are genuinely deficient. For those with adequate baseline choline, benefits tend to be more subtle and cumulative over 2-4 weeks of daily use. Acute cognitive performance studies often use single doses of 1-2g, which is above this product's daily dose.