The Vitamins Test helps you understand whether your body receives the essential nutrients it needs to function at its best. Vitamins play a central role in energy production bone strength immune protection and mental clarity. When vitamin levels drop the body often shows early warning signs that are easy to ignore.
Many people live with ongoing tiredness low mood muscle weakness or slow recovery without realising that vitamin deficiencies may be the root cause. This test focuses on 2 essential nutrients Vitamin B12 and Vitamin D3 which support daily performance and long term health.
By identifying imbalances early the Vitamins Test allows you to make informed decisions about nutrition supplementation and lifestyle improvements.
The Vitamins Test measures blood levels of:
• Vitamin B12 including active forms such as hydroxocobalamin
• Vitamin D3 also known as colecalciferol
These markers provide insight into how efficiently your body produces energy supports nerves absorbs calcium and maintains immune resilience.
Low or high vitamin levels can both affect health. For example b12 elevated or high vitamin b12 levels may indicate absorption or medical issues while excess vitamin d can lead to calcium imbalance. This test highlights whether your levels fall within the optimal range.
The Vitamins Test is suitable for a wide range of individuals including those who:
• feel tired or experience fatigue after eating
• struggle with low concentration or memory changes
• follow vegetarian or vegan diets
• spend most of their time indoors
• experience muscle aches or bone discomfort
• have darker skin and limited sun exposure
• take medications such as metformin and vitamin b12 absorption is a concern
• notice slow recovery after exercise
• experience extreme tiredness in early pregnancy
• want to monitor supplement effectiveness
Older adults athletes office workers and people with dietary restrictions often benefit from regular vitamin checks.
Vitamins are essential for thousands of biological processes. Without adequate levels cells cannot generate energy efficiently muscles weaken and immunity declines.
Many people assume fatigue is due to stress or aging when low vitamin d or B12 deficiency may be responsible. Understanding vitamin d is for what and how it impacts bones muscles and immunity helps explain why testing matters.
Regular testing helps you:
• detect deficiencies early
• prevent long term complications
• identify causes of unexplained tiredness
• support cognitive and immune health
• adjust supplements safely
• maintain consistent energy levels
Vitamin B12 supports red blood cell formation nerve health and energy metabolism. The body cannot produce it naturally so dietary intake becomes essential.
Common sources include meat fish dairy and egg vitamin b12 content contributes to daily intake. However absorption issues and medications can still cause deficiency even with adequate diet.
Hydroxocobalamin is one of the most effective forms of Vitamin B12 used in treatment and referenced in hydroxocobalamin bnf guidelines.
Low levels may cause:
• persistent tiredness
• weakness or dizziness
• tingling in hands or feet
• memory or focus problems
• pale skin
• shortness of breath
Some people also experience fatigue after eating when B12 levels drop because cells cannot convert food into usable energy.
High vitamin b12 or b12 elevated results do not always mean excess intake. They may signal liver conditions inflammation or absorption disorders. This test helps identify when further evaluation is needed.
Read more about vitamins deficency test on healthline
Vitamin D3 or colecalciferol helps regulate calcium and phosphate absorption. It supports bone density muscle strength immune response and mood balance.
Many people ask vitamin d is for what and the answer includes bone health muscle performance immune defense and hormonal regulation.
Sunlight exposure triggers Vitamin D production but modern lifestyles often limit this process.
Low vitamin d commonly results from:
• limited sun exposure
• indoor lifestyles
• darker skin pigmentation
• seasonal changes
• aging
• digestive absorption issues
Low levels may cause:
• bone pain or discomfort
• muscle weakness
• low mood
• poor immune resistance
• increased fracture risk
• slow muscle recovery
Untreated deficiency may persist for years without clear symptoms.
Excess vitamin d usually occurs from over supplementation rather than sunlight. It can lead to calcium imbalance and kidney strain. Testing ensures supplementation remains within safe limits.
The Vitamins Test provides clear actionable insights that support long term wellness.
Key benefits include:
• improved energy levels
• stronger bones and muscles
• enhanced immune function
• better mental clarity
• optimized supplement use
• early detection of deficiencies
• prevention of chronic health issues
Correcting imbalances often leads to noticeable improvements in daily performance and mood.
Your report shows whether your vitamin levels fall within optimal reference ranges.
If levels are low your healthcare provider may recommend:
• dietary changes
• targeted supplements
• lifestyle adjustments
• sunlight exposure strategies
If levels are high the test helps guide safe reductions or further investigation.
Check our Nutricheck test for nutrition related tests
Regular testing helps track progress over time and adjust supplementation safely.
Ongoing monitoring allows you to:
• measure improvement
• prevent excessive intake
• identify absorption issues
• support healthy aging
• adapt to seasonal changes
Vitamin balance plays a critical role in overall vitality.
The Vitamins Test empowers you with accurate data about your nutritional status. Whether your goal is higher energy stronger immunity or better bone health this test gives you clarity.
With simple at home testing and clear results you can make confident health decisions and improve your wellbeing proactively.
No fasting is required. You can take the test at any time of day.
Results are usually available within a few days after the lab receives your sample.
Yes B12 deficiency commonly causes fatigue weakness and poor concentration.
Limited sunlight indoor lifestyles darker skin and certain conditions can reduce Vitamin D levels.
People with confirmed deficiencies limited dietary intake or absorption issues may benefit from supplements.
Yes laboratory analysis ensures reliable and clinically relevant results.
For these tests, fasting is generally unnecessary unless your healthcare provider advises otherwise. It’s important to disclose any medications you take, as they can influence vitamin levels. Staying hydrated before the test can also help with blood collection.
The blood test kit allows two collection methods:
Venous Blood Collection: Conducted at a clinic or lab, where a professional draws blood from your arm. Results are typically available within 1-2 days.
Your test results will show the Vitamin B12 and D3 levels in your blood:
Vitamin B12: Normal range is 190-900 pg/mL. Deficiency may cause fatigue and neurological issues.
Vitamin D3: Normal range is 20-50 ng/mL. Low levels can lead to muscle weakness and bone pain.
High levels of either vitamin could indicate an underlying issue and may require further medical evaluation.
Post-Test Guidance
After receiving your results, our team can help you interpret them if required. If deficiencies are detected, your healthcare provider may recommend dietary changes, supplements, or additional tests. Regular monitoring of Vitamin B12 and D3 levels is essential to maintaining overall health.
Take charge of your well-being with an essential health check using our home blood test kit—a simple and effective way to track your vital nutrient levels.
Your results will be presented as the levels of Vitamin B12 and Vitamin D3 in your blood. For Vitamin B12, a normal range is typically 190-900 pg/mL, and for Vitamin D3, the normal range is 20-50 ng/mL. Levels below these ranges may indicate deficiencies, with Vitamin B12 deficiency possibly leading to fatigue or neurological issues, and Vitamin D3 deficiency associated with bone pain and muscle weakness. Excessively high levels of either vitamin may indicate an underlying issue, though this is less common.
After receiving your results, our team will review them with you and provide guidance. If deficiencies are detected, your healthcare provider may recommend dietary adjustments, supplements, or further tests. Regular monitoring of Vitamin B12 and Vitamin D3 is important to ensure overall health and address any potential deficiencies.
Vitamin B12 is part of the B complex of vitamins
The body is unable to make them itself and so instead must take them in through the diet
It contributes to your red blood cells metabolism and organ function
Vitamin D is important for bone strength as well as energy levels, mood, and immune health