CBG (cannabigerol) is known as the hemp plant’s “mother cannabinoid” for its role in the biosynthesis of CBD and THC. Unlike CBD it delivers a crisp mental energy: to harness it without waste you need to know how much to take and how to do it correctly. This practical guide gives you weight-based micro-starting doses, drop-conversion tables and real-world use scenarios.
• Want to compare it with CBD? Take a look at “CBD vs CBG”.
▸ Quick index
- 1. Why CBG dosage differs from CBD’s
- 2. Factors that influence your dose
- 3. Starting micro-doses, table and drop conversion
- 4. Four real-life use scenarios
- 5. When to use CBG alone or 1 : 1 with CBD
- 6. Absorption techniques and gradual titration
- 7. Safety, interactions and contraindications
- 8. Frequently asked questions (FAQ)
- 9. Conclusion and useful resources
1. Why CBG dosage differs from CBD’s
CBG binds preferentially to adrenergic and serotonergic receptors, modulating alertness, motivation and mood tone: therefore slightly lower amounts are needed to feel its effects compared with CBD. Cannabigerol also acts faster (on average 20 – 30 minutes sublingually) and stays active for 3 – 4 hours. These two differences explain why CBD and CBG dosing charts are not interchangeable.
2. Factors that influence your dose
- Body weight: a larger body needs more milligrams to reach the same plasma concentration.
- Personal sensitivity to stimulants: if you are highly reactive to caffeine, you may benefit from smaller CBG doses.
- Time of day: full doses are fine in the morning, while late-afternoon doses should be reduced to avoid sleep disturbance.
- Metabolic state: taking CBG on an empty stomach speeds up onset, while a fat-rich meal prolongs duration.
- Goal: occasional focus boost or steady support during weeks of intense study.
3. Starting micro-doses, table and drop conversion
Find your weight in the table below and use the “mg” column as a starting point for your first 3 – 5 consecutive intakes.
If the effect is insufficient, increase one drop at a time.
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| Weight | Micro-dose (mg CBG) |
Equivalent drops | |
|---|---|---|---|
| CBG Oil 5 % | CBG Oil 10 % | ||
| 20 – 40 kg | 5 – 7.5 | 2 – 3 | 1 |
| 40 – 60 kg | 7.5 – 10 | 3 – 4 | 1 – 2 |
| 60 – 80 kg | 10 – 12.5 | 4 – 5 | 2 |
| 80 – 100 kg | 12.5 – 15 | 5 – 6 | 2 – 3 |
| > 100 kg | 15 – 18 | 6 – 7 | 3 |
For CBD + CBG 5 % / 5 % oil, count roughly 2.5 mg of CBG and 2.5 mg of CBD per drop: a balanced option if you want relaxation and focus together.
4. Four real-life use scenarios
4.1 Focus and productivity
Take the micro-dose 30 – 60 minutes before a crucial meeting, a study marathon or a work shift requiring flawless attention. If energy dips after about four hours, top up with half the dose.
4.2 Muscle recovery and inflammation
After intense training, take the micro-dose with a meal rich in good fats (e.g., avocado or olive oil). CBG, together with stretching, hydration and quality sleep, helps modulate inflammatory cytokines and reduce DOMS.
4.3 Nausea control or reduced appetite
On days when nausea or poor appetite disrupts your routine, a micro-dose 45 minutes before meals can improve food tolerance; repeat half the dose four hours later if needed.
4.4 Ocular pressure support
Preliminary studies suggest CBG may lower intra-ocular pressure. In such cases a daily routine is adopted: micro-dose in the morning with periodic monitoring by an eye specialist.
5. When to use CBG alone or 1 : 1 with CBD
Pure CBG oil is ideal when you need mental tone and motivation with zero sedation. The 1 : 1 CBD + CBG combination merges cannabigerol’s clarity with cannabidiol’s relaxation, perfect for staying sharp with an undercurrent of calm. Use the same mg ranges from the table, knowing half the dose will be CBD and half CBG.
6. Absorption techniques and gradual titration
Sublingual for 60 seconds: place the drops under the tongue and wait one minute before swallowing.
The oral mucosa absorbs the cannabinoid directly, letting you feel effects in about 20-30 minutes.
In a drink or food: you can mix the oil into smoothies, juice or tea; onset is slower (60-90 minutes) but tends to last longer thanks to digestion.
Gradual increase: if after 3-5 intakes the result is still insufficient, add one drop at a time.
Faster jumps raise the risk of overshooting the “sweet spot” and wasting product.
7. Safety, interactions and contraindications
Studies published so far show CBG is well tolerated: the most common (rare) side effects are dry mouth and slight appetite reduction. At recommended doses it does not impair reflexes. Cannabigerol can slow the activity of certain liver enzymes (CYP2C9 and CYP3A4): if you take drugs metabolised via these pathways, consult your physician for possible dose adjustments. In the absence of conclusive studies, use is discouraged during pregnancy and breastfeeding.
8. Frequently asked questions (FAQ)
Can CBG disturb sleep?
A morning dose is not an issue; full doses after 6 p.m. can make it harder to fall asleep. Reduce or switch to CBD if you want to promote sleep.
Is it dangerous to take it with coffee?
No, many users find a positive synergy. If you are caffeine-sensitive, start with half a cup to see how you react.
How long does it stay in the body?
Blood peak passes in 3-4 hours; metabolites and traces can remain 24-48 h in occasional users, up to 7-10 days with daily use.
Can I drive after taking it?
Yes, CBG is non-psychotropic. Avoid driving only if you feel temporary low blood pressure or dizziness (rare).
9. Conclusion and useful resources
Dosing CBG is not complex: start with the micro-dose suggested for your weight, keep it a few days and increase one drop at a time until you reach the desired mental clarity. Remember that hydration, regular sleep and balanced nutrition amplify cannabigerol’s benefits. For even more personalised advice you can take the free interactive quiz.
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